255 lines
11 KiB
JSON
255 lines
11 KiB
JSON
{
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"containers": {
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"cna": {
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"affected": [
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{
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"product": "Junos OS Evolved",
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"vendor": "Juniper Networks",
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"versions": [
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{
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"lessThan": "20.4R1-EVO",
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"status": "affected",
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"version": "unspecified",
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"versionType": "custom"
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}
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]
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}
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],
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"datePublic": "2021-04-14T00:00:00.000Z",
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"descriptions": [
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{
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"lang": "en",
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"value": "In Juniper Networks Junos OS Evolved, receipt of a stream of specific genuine Layer 2 frames may cause the Advanced Forwarding Toolkit (AFT) manager process (Evo-aftmand), responsible for handling Route, Class-of-Service (CoS), Firewall operations within the packet forwarding engine (PFE) to crash and restart, leading to a Denial of Service (DoS) condition. By continuously sending this specific stream of genuine Layer 2 frames, an attacker can repeatedly crash the PFE, causing a sustained Denial of Service (DoS). This issue affects Juniper Networks Junos OS Evolved: All versions prior to 20.4R1-EVO. This issue does not affect Junos OS versions."
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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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"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": "ADJACENT_NETWORK",
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"availabilityImpact": "HIGH",
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"baseScore": 6.5,
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"baseSeverity": "MEDIUM",
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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:A/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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}
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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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"descriptions": [
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{
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"description": "Denial of Service (DoS)",
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"lang": "en",
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"type": "text"
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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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"dateUpdated": "2021-04-22T19:37:05.000Z",
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"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
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"shortName": "juniper"
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},
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"references": [
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{
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://kb.juniper.net/JSA11134"
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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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"value": "The following software releases have been updated to resolve this specific issue: Junos OS Evolved: 20.4R1-EVO, and all subsequent releases."
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}
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],
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"source": {
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"advisory": "JSA11134",
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"defect": [
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"1548758"
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],
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"discovery": "INTERNAL"
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},
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"title": "Junos OS Evolved: Denial of Service due to receipt of specific genuine layer 2 frames.",
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"workarounds": [
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{
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"lang": "en",
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"value": "There are no viable workarounds for this issue."
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}
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],
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"x_generator": {
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"engine": "Vulnogram 0.0.9"
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},
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"x_legacyV4Record": {
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"CVE_data_meta": {
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"ASSIGNER": "sirt@juniper.net",
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"DATE_PUBLIC": "2021-04-14T16:00:00.000Z",
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"ID": "CVE-2021-0239",
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"STATE": "PUBLIC",
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"TITLE": "Junos OS Evolved: Denial of Service due to receipt of specific genuine layer 2 frames."
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"product": {
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"product_data": [
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{
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"product_name": "Junos OS Evolved",
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"version": {
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"version_data": [
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{
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"version_affected": "<",
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"version_value": "20.4R1-EVO"
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}
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]
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}
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}
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]
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},
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"vendor_name": "Juniper Networks"
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}
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]
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}
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},
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"data_format": "MITRE",
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"data_type": "CVE",
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"data_version": "4.0",
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"description": {
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"description_data": [
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{
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"lang": "eng",
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"value": "In Juniper Networks Junos OS Evolved, receipt of a stream of specific genuine Layer 2 frames may cause the Advanced Forwarding Toolkit (AFT) manager process (Evo-aftmand), responsible for handling Route, Class-of-Service (CoS), Firewall operations within the packet forwarding engine (PFE) to crash and restart, leading to a Denial of Service (DoS) condition. By continuously sending this specific stream of genuine Layer 2 frames, an attacker can repeatedly crash the PFE, causing a sustained Denial of Service (DoS). This issue affects Juniper Networks Junos OS Evolved: All versions prior to 20.4R1-EVO. This issue does not affect Junos OS versions."
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}
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]
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},
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"exploit": [
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{
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"lang": "en",
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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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"generator": {
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"engine": "Vulnogram 0.0.9"
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},
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"impact": {
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"cvss": {
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"attackComplexity": "LOW",
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"attackVector": "ADJACENT_NETWORK",
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"availabilityImpact": "HIGH",
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"baseScore": 6.5,
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"baseSeverity": "MEDIUM",
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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:A/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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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "CWE-754 Improper Check for Unusual or Exceptional Conditions"
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}
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]
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},
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{
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"description": [
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{
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"lang": "eng",
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"value": "Denial of Service (DoS)"
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}
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]
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}
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]
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},
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"references": {
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"reference_data": [
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{
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"name": "https://kb.juniper.net/JSA11134",
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"refsource": "MISC",
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"url": "https://kb.juniper.net/JSA11134"
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}
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]
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},
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"solution": [
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{
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"lang": "en",
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"value": "The following software releases have been updated to resolve this specific issue: Junos OS Evolved: 20.4R1-EVO, and all subsequent releases."
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}
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],
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"source": {
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"advisory": "JSA11134",
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"defect": [
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"1548758"
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],
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"discovery": "INTERNAL"
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},
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"work_around": [
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{
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"lang": "en",
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"value": "There are no viable workarounds for this issue."
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}
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]
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}
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},
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"adp": [
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{
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2024-08-03T15:32:09.949Z"
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},
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"title": "CVE Program Container",
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"references": [
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{
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"tags": [
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"x_refsource_MISC",
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"x_transferred"
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],
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"url": "https://kb.juniper.net/JSA11134"
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}
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]
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}
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]
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},
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"cveMetadata": {
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"assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
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"assignerShortName": "juniper",
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"cveId": "CVE-2021-0239",
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"datePublished": "2021-04-22T19:37:05.415Z",
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"dateReserved": "2020-10-27T00:00:00.000Z",
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"dateUpdated": "2024-09-16T17:49:30.356Z",
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"state": "PUBLISHED"
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},
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"dataType": "CVE_RECORD",
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"dataVersion": "5.1"
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} |