630 lines
25 KiB
JSON
630 lines
25 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-2025-20241",
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"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
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"state": "PUBLISHED",
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"assignerShortName": "cisco",
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"dateReserved": "2024-10-10T19:15:13.238Z",
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"datePublished": "2025-08-27T16:23:55.242Z",
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"dateUpdated": "2025-08-27T18:18:32.250Z"
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},
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"containers": {
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"cna": {
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"title": "Cisco Nexus 3000 and 9000 Series Switches IS-IS Protocol <TBD> Denial of Service Vulnerability",
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"metrics": [
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{
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"format": "cvssV3_1",
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
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"baseScore": 7.4,
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"baseSeverity": "HIGH",
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"attackVector": "ADJACENT_NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "CHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH"
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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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"lang": "en",
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"value": "A vulnerability in the Intermediate System-to-Intermediate System (IS-IS) feature of Cisco NX-OS Software for Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, adjacent attacker to cause the IS-IS process to unexpectedly restart, which could cause an affected device to reload.\r\n\r\nThis vulnerability is due to insufficient input validation when parsing an ingress IS-IS packet. An attacker could exploit this vulnerability by sending a crafted IS-IS packet to an affected device. A successful exploit could allow the attacker to cause the unexpected restart of the IS-IS process, which could cause the affected device to reload, resulting in a denial of service (DoS) condition.\r\nNote: The IS-IS protocol is a routing protocol. To exploit this vulnerability, an attacker must be Layer 2-adjacent to the affected device."
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}
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],
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"references": [
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{
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"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-n39k-isis-dos-JhJA8Rfx",
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"name": "cisco-sa-n39k-isis-dos-JhJA8Rfx"
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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": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
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}
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],
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"source": {
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"advisory": "cisco-sa-n39k-isis-dos-JhJA8Rfx",
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"discovery": "INTERNAL",
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"defects": [
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"CSCwn49153"
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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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"lang": "en",
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"description": "Compiler Optimization Removal or Modification of Security-critical Code",
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"type": "cwe",
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"cweId": "CWE-733"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "Cisco",
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"product": "Cisco NX-OS Software",
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"versions": [
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{
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"version": "9.2(3)",
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{
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"version": "6.0(2)A8(7a)",
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"version": "7.0(3)I4(5)",
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{
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}
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],
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"defaultStatus": "unknown"
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}
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],
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"providerMetadata": {
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"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
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"shortName": "cisco",
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"dateUpdated": "2025-08-27T16:23:55.242Z"
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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": "2025-08-27T18:18:19.522793Z",
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"id": "CVE-2025-20241",
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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": "no"
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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": "2025-08-27T18:18:32.250Z"
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}
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}
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]
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}
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} |