283 lines
15 KiB
JSON
283 lines
15 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.1",
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"cveMetadata": {
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"cveId": "CVE-2025-21594",
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"assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
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"state": "PUBLISHED",
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"assignerShortName": "juniper",
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"dateReserved": "2024-12-26T14:47:11.669Z",
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"datePublished": "2025-04-09T19:49:41.391Z",
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"dateUpdated": "2025-04-10T13:14:00.650Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"defaultStatus": "unaffected",
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"platforms": [
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"MX Series"
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],
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"product": "Junos OS",
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"vendor": "Juniper Networks",
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"versions": [
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{
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"lessThan": "21.2R3-S8",
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"status": "affected",
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"version": "0",
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"versionType": "semver"
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},
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{
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"lessThan": "21.4R3-S7",
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"status": "affected",
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"version": "21.4",
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"versionType": "semver"
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},
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{
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"lessThan": "22.1R3-S6",
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"status": "affected",
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"version": "22.1",
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"versionType": "semver"
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},
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{
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"lessThan": "22.2R3-S4",
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"status": "affected",
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"version": "22.2",
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"versionType": "semver"
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},
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{
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"lessThan": "22.3R3-S3",
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"status": "affected",
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"version": "22.3",
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"versionType": "semver"
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},
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{
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"lessThan": "22.4R3-S2",
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"status": "affected",
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"version": "22.4",
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"versionType": "semver"
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},
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{
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"lessThan": "23.2R2-S1",
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"status": "affected",
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"version": "23.2",
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"versionType": "semver"
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},
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{
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"lessThan": "23.4R1-S2, 23.4R2",
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"status": "affected",
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"version": "23.4",
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"versionType": "semver"
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},
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{
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"lessThan": "20.2R1",
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"status": "unaffected",
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"version": "0",
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"versionType": "semver"
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}
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]
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}
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],
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"configurations": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "This issue only occurs when below config is enabled:<br><br><tt>[ set services service-set <*> softwire-options dslite-ipv6-prefix-length 56]<br></tt><br><br>"
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}
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],
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"value": "This issue only occurs when below config is enabled:\n\n[ set services service-set <*> softwire-options dslite-ipv6-prefix-length 56]"
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}
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],
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"datePublic": "2025-04-09T16:00:00.000Z",
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"descriptions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "<span style=\"background-color: rgb(255, 255, 255);\">An Improper Check for Unusual or Exceptional Conditions vulnerability in the pfe (packet forwarding engine) of Juniper Networks Junos OS on MX Series causes a port within a pool to be blocked leading to Denial of Service (DoS).<br><br>In a DS-Lite (Dual-Stack Lite) and NAT (Network Address Translation) scenario, when crafted IPv6 traffic is received and<span style=\"background-color: rgb(255, 255, 255);\"> prefix-length is set to 56,</span> the ports assigned to the user will not be freed. Eventually, users cannot establish new connections. <span style=\"background-color: rgb(251, 251, 251);\">Affected FPC/PIC need to be manually restarted to recover.</span><br></span><p><span style=\"background-color: rgb(255, 255, 255);\">Following is the command to identify the issue: </span></p><tt><br> user@host> show services nat source port-block </tt><tt><br> Host_IP External_IP Port_Block Ports_Used/ Block_State/<br> Range Ports_Total Left_Time(s)<br> 2001:: x.x.x.x 58880-59391 256/256*1 Active/- >>>>>>>>port still used</tt><p>This issue affects Junos OS on MX Series: </p><ul><li>from 21.2 before 21.2R3-S8, </li><li>from 21.4 before 21.4R3-S7, </li><li>from 22.1 before 22.1R3-S6, </li><li>from 22.2 before 22.2R3-S4, </li><li>from 22.3 before 22.3R3-S3, </li><li>from 22.4 before 22.4R3-S2, </li><li>from 23.2 before 23.2R2-S1, </li><li>from 23.4 before 23.4R1-S2, 23.4R2.</li></ul>This issue does not affect versions before 20.2R1. <br><br>"
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}
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],
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"value": "An Improper Check for Unusual or Exceptional Conditions vulnerability in the pfe (packet forwarding engine) of Juniper Networks Junos OS on MX Series causes a port within a pool to be blocked leading to Denial of Service (DoS).\n\nIn a DS-Lite (Dual-Stack Lite) and NAT (Network Address Translation) scenario, when crafted IPv6 traffic is received and prefix-length is set to 56, the ports assigned to the user will not be freed. Eventually, users cannot establish new connections. Affected FPC/PIC need to be manually restarted to recover.\nFollowing is the command to identify the issue: \n\n\n user@host> show services nat source port-block \n Host_IP External_IP Port_Block Ports_Used/ Block_State/\n Range Ports_Total Left_Time(s)\n 2001:: x.x.x.x 58880-59391 256/256*1 Active/- >>>>>>>>port still usedThis issue affects Junos OS on MX Series: \n\n * from 21.2 before 21.2R3-S8, \n * from 21.4 before 21.4R3-S7, \n * from 22.1 before 22.1R3-S6, \n * from 22.2 before 22.2R3-S4, \n * from 22.3 before 22.3R3-S3, \n * from 22.4 before 22.4R3-S2, \n * from 23.2 before 23.2R2-S1, \n * from 23.4 before 23.4R1-S2, 23.4R2.\n\n\nThis issue does not affect versions before 20.2R1."
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}
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],
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"exploits": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
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}
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],
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"value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "HIGH",
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"baseScore": 7.5,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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"version": "3.1"
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},
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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]
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},
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{
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"cvssV4_0": {
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"Automatable": "NOT_DEFINED",
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"Recovery": "USER",
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"Safety": "NOT_DEFINED",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"attackVector": "NETWORK",
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"baseScore": 8.7,
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"baseSeverity": "HIGH",
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"privilegesRequired": "NONE",
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"providerUrgency": "NOT_DEFINED",
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"subAvailabilityImpact": "LOW",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"userInteraction": "NONE",
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"valueDensity": "NOT_DEFINED",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/R:U",
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"version": "4.0",
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"vulnAvailabilityImpact": "HIGH",
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"vulnConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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"vulnerabilityResponseEffort": "NOT_DEFINED"
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},
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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]
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-754",
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"description": "CWE-754: Improper Check for Unusual or Exceptional Conditions",
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"lang": "en",
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"type": "CWE"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
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"shortName": "juniper",
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"dateUpdated": "2025-04-09T19:49:41.391Z"
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},
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"references": [
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{
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"tags": [
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"vendor-advisory"
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],
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"url": "https://supportportal.juniper.net/JSA96449"
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}
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],
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"solutions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "The following software releases have been updated to resolve this specific issue: <br><br>Junos OS: 21.2R3-S8, 21.4R3-S7, 22.1R3-S6, 22.2R3-S4, 22.3R3-S3, 22.4R3-S2, 23.2R2-S1, 23.4R1-S2, 23.4R2, 24.2R1, and all subsequent releases."
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}
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],
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"value": "The following software releases have been updated to resolve this specific issue: \n\nJunos OS: 21.2R3-S8, 21.4R3-S7, 22.1R3-S6, 22.2R3-S4, 22.3R3-S3, 22.4R3-S2, 23.2R2-S1, 23.4R1-S2, 23.4R2, 24.2R1, and all subsequent releases."
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}
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],
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"source": {
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"advisory": "JSA96449",
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"defect": [
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"1785403"
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],
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"discovery": "USER"
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},
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"timeline": [
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{
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"lang": "en",
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"time": "2025-04-09T16:00:00.000Z",
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"value": "Initial Publication"
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}
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],
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"title": "Junos OS: MX Series: In DS-lite and NAT scenario receipt of crafted IPv6 traffic causes port block",
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"workarounds": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "Modify the IPv6 prefix-length to be 64/96/128 through the command:<br><tt><br>[ set services service-set <*> softwire-options dslite-ipv6-prefix-length 64/96/128]</tt>"
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}
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],
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"value": "Modify the IPv6 prefix-length to be 64/96/128 through the command:\n\n[ set services service-set <*> softwire-options dslite-ipv6-prefix-length 64/96/128]"
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}
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],
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"x_generator": {
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"engine": "Vulnogram 0.1.0-dev"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2025-04-10T13:13:47.889505Z",
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"id": "CVE-2025-21594",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "yes"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2025-04-10T13:14:00.650Z"
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}
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}
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]
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}
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} |