CVE-2025-20241 (GCVE-0-2025-20241)
Vulnerability from cvelistv5
Published
2025-08-27 16:23
Modified
2025-08-27 18:18
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-733 - Compiler Optimization Removal or Modification of Security-critical Code
Summary
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.
This 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.
Note: The IS-IS protocol is a routing protocol. To exploit this vulnerability, an attacker must be Layer 2-adjacent to the affected device.
References
Impacted products
Vendor | Product | Version | ||
---|---|---|---|---|
Cisco | Cisco NX-OS Software |
Version: 9.2(3) Version: 7.0(3)I5(2) Version: 6.0(2)A8(7a) Version: 7.0(3)I4(5) Version: 7.0(3)I4(6) Version: 7.0(3)I4(3) Version: 9.2(2v) Version: 7.0(3)I4(7) Version: 7.0(3)I4(1) Version: 7.0(3)I4(8) Version: 7.0(3)I4(2) Version: 6.0(2)A8(11) Version: 9.2(1) Version: 9.2(2t) Version: 9.2(3y) Version: 7.0(3)I4(1t) Version: 7.0(3)I7(6z) Version: 9.3(2) Version: 7.0(3)F3(3) Version: 7.0(3)I7(3z) Version: 7.0(3)IM7(2) Version: 6.0(2)A8(11b) Version: 7.0(3)I7(5a) Version: 7.0(3)I6(1) Version: 7.0(3)I5(3b) Version: 9.2(4) Version: 6.0(2)A8(10) Version: 6.0(2)A8(2) Version: 7.0(3)IC4(4) Version: 7.0(3)F3(3c) Version: 7.0(3)F3(1) Version: 7.0(3)F3(5) Version: 7.0(3)I7(2) Version: 7.0(3)I5(3) Version: 7.0(3)I7(3) Version: 6.0(2)A8(6) Version: 7.0(3)I6(2) Version: 6.0(2)A8(5) Version: 9.3(1) Version: 6.0(2)A8(7) Version: 7.0(3)I7(6) Version: 6.0(2)A8(11a) Version: 7.0(3)I4(8z) Version: 7.0(3)I4(9) Version: 7.0(3)I7(4) Version: 7.0(3)I7(7) Version: 6.0(2)A8(9) Version: 6.0(2)A8(1) Version: 6.0(2)A8(10a) Version: 7.0(3)I5(1) Version: 9.3(1z) Version: 9.2(2) Version: 7.0(3)F3(4) Version: 7.0(3)I4(8b) Version: 6.0(2)A8(3) Version: 7.0(3)I4(6t) Version: 7.0(3)I5(3a) Version: 6.0(2)A8(8) Version: 7.0(3)I7(5) Version: 7.0(3)F3(3a) Version: 6.0(2)A8(4) Version: 7.0(3)I4(8a) Version: 7.0(3)F3(2) Version: 7.0(3)I4(4) Version: 7.0(3)I7(1) Version: 7.0(3)IA7(2) Version: 7.0(3)IA7(1) Version: 6.0(2)A8(7b) Version: 6.0(2)A8(4a) Version: 9.3(3) Version: 7.0(3)I7(8) Version: 9.3(4) Version: 9.3(5) Version: 7.0(3)I7(9) Version: 9.3(6) Version: 10.1(2) Version: 10.1(1) Version: 9.3(5w) Version: 9.3(7) Version: 9.3(7k) Version: 7.0(3)I7(9w) Version: 10.2(1) Version: 9.3(7a) Version: 9.3(8) Version: 7.0(3)I7(10) Version: 10.2(1q) Version: 10.2(2) Version: 9.3(9) Version: 10.1(2t) Version: 10.2(3) Version: 10.2(3t) Version: 9.3(10) Version: 10.2(2a) Version: 10.3(1) Version: 10.2(4) Version: 10.3(2) Version: 9.3(11) Version: 10.3(3) Version: 10.2(5) Version: 9.3(12) Version: 10.2(3v) Version: 10.4(1) Version: 10.3(99w) Version: 10.2(6) Version: 10.3(3w) Version: 10.3(99x) Version: 10.3(3o) Version: 10.3(4) Version: 10.3(3p) Version: 10.3(4a) Version: 10.4(2) Version: 10.3(3q) Version: 9.3(13) Version: 10.3(5) Version: 10.2(7) Version: 10.4(3) Version: 10.3(3x) Version: 10.3(4g) Version: 10.5(1) Version: 10.2(8) Version: 10.3(3r) Version: 10.3(6) Version: 9.3(14) Version: 10.4(4) Version: 10.3(4h) Version: 10.5(2) Version: 10.4(4g) |
{ "containers": { "adp": [ { "metrics": [ { "other": { "content": { "id": "CVE-2025-20241", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "timestamp": "2025-08-27T18:18:19.522793Z", "version": "2.0.3" }, "type": "ssvc" } } ], "providerMetadata": { "dateUpdated": "2025-08-27T18:18:32.250Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "title": "CISA ADP Vulnrichment" } ], "cna": { "affected": [ { "defaultStatus": "unknown", "product": "Cisco NX-OS Software", "vendor": "Cisco", "versions": [ { "status": "affected", "version": "9.2(3)" }, { "status": "affected", "version": "7.0(3)I5(2)" }, { "status": "affected", "version": "6.0(2)A8(7a)" }, { "status": "affected", "version": "7.0(3)I4(5)" }, { "status": "affected", "version": "7.0(3)I4(6)" }, { "status": "affected", "version": "7.0(3)I4(3)" }, { "status": "affected", "version": "9.2(2v)" }, { "status": "affected", "version": "7.0(3)I4(7)" }, { "status": "affected", "version": "7.0(3)I4(1)" }, { "status": "affected", "version": "7.0(3)I4(8)" }, { "status": "affected", "version": "7.0(3)I4(2)" }, { "status": "affected", "version": "6.0(2)A8(11)" }, { "status": "affected", "version": "9.2(1)" }, { "status": "affected", "version": "9.2(2t)" }, { "status": "affected", "version": "9.2(3y)" }, { "status": "affected", "version": "7.0(3)I4(1t)" }, { "status": "affected", "version": "7.0(3)I7(6z)" }, { "status": "affected", "version": "9.3(2)" }, { "status": "affected", "version": "7.0(3)F3(3)" }, { "status": "affected", "version": "7.0(3)I7(3z)" }, { "status": "affected", "version": "7.0(3)IM7(2)" }, { "status": "affected", "version": "6.0(2)A8(11b)" }, { "status": "affected", "version": "7.0(3)I7(5a)" }, { "status": "affected", "version": "7.0(3)I6(1)" }, { "status": "affected", "version": "7.0(3)I5(3b)" }, { "status": "affected", "version": "9.2(4)" }, { "status": "affected", "version": "6.0(2)A8(10)" }, { "status": "affected", "version": "6.0(2)A8(2)" }, { "status": "affected", "version": "7.0(3)IC4(4)" }, { "status": "affected", "version": "7.0(3)F3(3c)" }, { "status": "affected", "version": "7.0(3)F3(1)" }, { "status": "affected", "version": "7.0(3)F3(5)" }, { "status": "affected", "version": "7.0(3)I7(2)" }, { "status": "affected", "version": "7.0(3)I5(3)" }, { "status": "affected", "version": "7.0(3)I7(3)" }, { "status": "affected", "version": "6.0(2)A8(6)" }, { "status": "affected", "version": "7.0(3)I6(2)" }, { "status": "affected", "version": "6.0(2)A8(5)" }, { "status": "affected", "version": "9.3(1)" }, { "status": "affected", "version": "6.0(2)A8(7)" }, { "status": "affected", "version": "7.0(3)I7(6)" }, { "status": "affected", "version": "6.0(2)A8(11a)" }, { "status": "affected", "version": "7.0(3)I4(8z)" }, { "status": "affected", "version": "7.0(3)I4(9)" }, { "status": "affected", "version": "7.0(3)I7(4)" }, { "status": "affected", "version": "7.0(3)I7(7)" }, { "status": "affected", "version": "6.0(2)A8(9)" }, { "status": "affected", "version": "6.0(2)A8(1)" }, { "status": "affected", "version": "6.0(2)A8(10a)" }, { "status": "affected", "version": "7.0(3)I5(1)" }, { "status": "affected", "version": "9.3(1z)" }, { "status": "affected", "version": "9.2(2)" }, { "status": "affected", "version": "7.0(3)F3(4)" }, { "status": "affected", "version": "7.0(3)I4(8b)" }, { "status": "affected", "version": "6.0(2)A8(3)" }, { "status": "affected", "version": "7.0(3)I4(6t)" }, { "status": "affected", "version": "7.0(3)I5(3a)" }, { "status": "affected", "version": "6.0(2)A8(8)" }, { "status": "affected", "version": "7.0(3)I7(5)" }, { "status": "affected", "version": "7.0(3)F3(3a)" }, { "status": "affected", "version": "6.0(2)A8(4)" }, { "status": "affected", "version": "7.0(3)I4(8a)" }, { "status": "affected", "version": "7.0(3)F3(2)" }, { "status": "affected", "version": "7.0(3)I4(4)" }, { "status": "affected", "version": "7.0(3)I7(1)" }, { "status": "affected", "version": "7.0(3)IA7(2)" }, { "status": "affected", "version": "7.0(3)IA7(1)" }, { "status": "affected", "version": "6.0(2)A8(7b)" }, { "status": "affected", "version": "6.0(2)A8(4a)" }, { "status": "affected", "version": "9.3(3)" }, { "status": "affected", "version": "7.0(3)I7(8)" }, { "status": "affected", "version": "9.3(4)" }, { "status": "affected", "version": "9.3(5)" }, { "status": "affected", "version": "7.0(3)I7(9)" }, { "status": "affected", "version": "9.3(6)" }, { "status": "affected", "version": "10.1(2)" }, { "status": "affected", "version": "10.1(1)" }, { "status": "affected", "version": "9.3(5w)" }, { "status": "affected", "version": "9.3(7)" }, { "status": "affected", "version": "9.3(7k)" }, { "status": "affected", "version": "7.0(3)I7(9w)" }, { "status": "affected", "version": "10.2(1)" }, { "status": "affected", "version": "9.3(7a)" }, { "status": "affected", "version": "9.3(8)" }, { "status": "affected", "version": "7.0(3)I7(10)" }, { "status": "affected", "version": "10.2(1q)" }, { "status": "affected", "version": "10.2(2)" }, { "status": "affected", "version": "9.3(9)" }, { "status": "affected", "version": "10.1(2t)" }, { "status": "affected", "version": "10.2(3)" }, { "status": "affected", "version": "10.2(3t)" }, { "status": "affected", "version": "9.3(10)" }, { "status": "affected", "version": "10.2(2a)" }, { "status": "affected", "version": "10.3(1)" }, { "status": "affected", "version": "10.2(4)" }, { "status": "affected", "version": "10.3(2)" }, { "status": "affected", "version": "9.3(11)" }, { "status": "affected", "version": "10.3(3)" }, { "status": "affected", "version": "10.2(5)" }, { "status": "affected", "version": "9.3(12)" }, { "status": "affected", "version": "10.2(3v)" }, { "status": "affected", "version": "10.4(1)" }, { "status": "affected", "version": "10.3(99w)" }, { "status": "affected", "version": "10.2(6)" }, { "status": "affected", "version": "10.3(3w)" }, { "status": "affected", "version": "10.3(99x)" }, { "status": "affected", "version": "10.3(3o)" }, { "status": "affected", "version": "10.3(4)" }, { "status": "affected", "version": "10.3(3p)" }, { "status": "affected", "version": "10.3(4a)" }, { "status": "affected", "version": "10.4(2)" }, { "status": "affected", "version": "10.3(3q)" }, { "status": "affected", "version": "9.3(13)" }, { "status": "affected", "version": "10.3(5)" }, { "status": "affected", "version": "10.2(7)" }, { "status": "affected", "version": "10.4(3)" }, { "status": "affected", "version": "10.3(3x)" }, { "status": "affected", "version": "10.3(4g)" }, { "status": "affected", "version": "10.5(1)" }, { "status": "affected", "version": "10.2(8)" }, { "status": "affected", "version": "10.3(3r)" }, { "status": "affected", "version": "10.3(6)" }, { "status": "affected", "version": "9.3(14)" }, { "status": "affected", "version": "10.4(4)" }, { "status": "affected", "version": "10.3(4h)" }, { "status": "affected", "version": "10.5(2)" }, { "status": "affected", "version": "10.4(4g)" } ] } ], "descriptions": [ { "lang": "en", "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." } ], "exploits": [ { "lang": "en", "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." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1" }, "format": "cvssV3_1" } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-733", "description": "Compiler Optimization Removal or Modification of Security-critical Code", "lang": "en", "type": "cwe" } ] } ], "providerMetadata": { "dateUpdated": "2025-08-27T16:23:55.242Z", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco" }, "references": [ { "name": "cisco-sa-n39k-isis-dos-JhJA8Rfx", "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-n39k-isis-dos-JhJA8Rfx" } ], "source": { "advisory": "cisco-sa-n39k-isis-dos-JhJA8Rfx", "defects": [ "CSCwn49153" ], "discovery": "INTERNAL" }, "title": "Cisco Nexus 3000 and 9000 Series Switches IS-IS Protocol \u003cTBD\u003e Denial of Service Vulnerability" } }, "cveMetadata": { "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2025-20241", "datePublished": "2025-08-27T16:23:55.242Z", "dateReserved": "2024-10-10T19:15:13.238Z", "dateUpdated": "2025-08-27T18:18:32.250Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "vulnerability-lookup:meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2025-20241\",\"sourceIdentifier\":\"psirt@cisco.com\",\"published\":\"2025-08-27T17:15:34.650\",\"lastModified\":\"2025-08-29T16:24:09.860\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"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.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en la funci\u00f3n de sistema intermedio a sistema intermedio (IS-IS) del software Cisco NX-OS para los switches Cisco Nexus de las series 3000 y 9000 en modo NX-OS independiente podr\u00eda permitir que un atacante adyacente no autenticado provoque el reinicio inesperado del proceso IS-IS, lo que podr\u00eda provocar la recarga del dispositivo afectado. Esta vulnerabilidad se debe a una validaci\u00f3n de entrada insuficiente al analizar un paquete IS-IS de entrada. Un atacante podr\u00eda explotar esta vulnerabilidad enviando un paquete IS-IS manipulado a un dispositivo afectado. Una explotaci\u00f3n exitosa podr\u00eda permitir al atacante provocar el reinicio inesperado del proceso IS-IS, lo que podr\u00eda provocar la recarga del dispositivo afectado y provocar una denegaci\u00f3n de servicio (DoS). Nota: El protocolo IS-IS es un protocolo de enrutamiento. Para explotar esta vulnerabilidad, un atacante debe estar adyacente a la capa 2 del dispositivo afectado.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@cisco.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\",\"baseScore\":7.4,\"baseSeverity\":\"HIGH\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":4.0}]},\"weaknesses\":[{\"source\":\"psirt@cisco.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-733\"}]}],\"references\":[{\"url\":\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-n39k-isis-dos-JhJA8Rfx\",\"source\":\"psirt@cisco.com\"}]}}", "vulnrichment": { "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-20241\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-08-27T18:18:19.522793Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-08-27T18:18:26.109Z\"}}], \"cna\": {\"title\": \"Cisco Nexus 3000 and 9000 Series Switches IS-IS Protocol \u003cTBD\u003e Denial of Service Vulnerability\", \"source\": {\"defects\": [\"CSCwn49153\"], \"advisory\": \"cisco-sa-n39k-isis-dos-JhJA8Rfx\", \"discovery\": \"INTERNAL\"}, \"metrics\": [{\"format\": \"cvssV3_1\", \"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 7.4, \"attackVector\": \"ADJACENT_NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"vendor\": \"Cisco\", \"product\": \"Cisco NX-OS Software\", \"versions\": [{\"status\": \"affected\", \"version\": \"9.2(3)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I5(2)\"}, {\"status\": \"affected\", \"version\": \"6.0(2)A8(7a)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I4(5)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I4(6)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I4(3)\"}, {\"status\": \"affected\", \"version\": \"9.2(2v)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I4(7)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I4(1)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I4(8)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I4(2)\"}, {\"status\": \"affected\", \"version\": \"6.0(2)A8(11)\"}, {\"status\": \"affected\", \"version\": \"9.2(1)\"}, {\"status\": \"affected\", \"version\": \"9.2(2t)\"}, {\"status\": \"affected\", \"version\": \"9.2(3y)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I4(1t)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I7(6z)\"}, {\"status\": \"affected\", \"version\": \"9.3(2)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)F3(3)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I7(3z)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)IM7(2)\"}, {\"status\": \"affected\", \"version\": \"6.0(2)A8(11b)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I7(5a)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I6(1)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I5(3b)\"}, {\"status\": \"affected\", \"version\": \"9.2(4)\"}, {\"status\": \"affected\", \"version\": \"6.0(2)A8(10)\"}, {\"status\": \"affected\", \"version\": \"6.0(2)A8(2)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)IC4(4)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)F3(3c)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)F3(1)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)F3(5)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I7(2)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I5(3)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I7(3)\"}, {\"status\": \"affected\", \"version\": \"6.0(2)A8(6)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I6(2)\"}, {\"status\": \"affected\", \"version\": \"6.0(2)A8(5)\"}, {\"status\": \"affected\", \"version\": \"9.3(1)\"}, {\"status\": \"affected\", \"version\": \"6.0(2)A8(7)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I7(6)\"}, {\"status\": \"affected\", \"version\": \"6.0(2)A8(11a)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I4(8z)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I4(9)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I7(4)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I7(7)\"}, {\"status\": \"affected\", \"version\": \"6.0(2)A8(9)\"}, {\"status\": \"affected\", \"version\": \"6.0(2)A8(1)\"}, {\"status\": \"affected\", \"version\": \"6.0(2)A8(10a)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I5(1)\"}, {\"status\": \"affected\", \"version\": \"9.3(1z)\"}, {\"status\": \"affected\", \"version\": \"9.2(2)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)F3(4)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I4(8b)\"}, {\"status\": \"affected\", \"version\": \"6.0(2)A8(3)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I4(6t)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I5(3a)\"}, {\"status\": \"affected\", \"version\": \"6.0(2)A8(8)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I7(5)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)F3(3a)\"}, {\"status\": \"affected\", \"version\": \"6.0(2)A8(4)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I4(8a)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)F3(2)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I4(4)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I7(1)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)IA7(2)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)IA7(1)\"}, {\"status\": \"affected\", \"version\": \"6.0(2)A8(7b)\"}, {\"status\": \"affected\", \"version\": \"6.0(2)A8(4a)\"}, {\"status\": \"affected\", \"version\": \"9.3(3)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I7(8)\"}, {\"status\": \"affected\", \"version\": \"9.3(4)\"}, {\"status\": \"affected\", \"version\": \"9.3(5)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I7(9)\"}, {\"status\": \"affected\", \"version\": \"9.3(6)\"}, {\"status\": \"affected\", \"version\": \"10.1(2)\"}, {\"status\": \"affected\", \"version\": \"10.1(1)\"}, {\"status\": \"affected\", \"version\": \"9.3(5w)\"}, {\"status\": \"affected\", \"version\": \"9.3(7)\"}, {\"status\": \"affected\", \"version\": \"9.3(7k)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I7(9w)\"}, {\"status\": \"affected\", \"version\": \"10.2(1)\"}, {\"status\": \"affected\", \"version\": \"9.3(7a)\"}, {\"status\": \"affected\", \"version\": \"9.3(8)\"}, {\"status\": \"affected\", \"version\": \"7.0(3)I7(10)\"}, {\"status\": \"affected\", \"version\": \"10.2(1q)\"}, {\"status\": \"affected\", \"version\": \"10.2(2)\"}, {\"status\": \"affected\", \"version\": \"9.3(9)\"}, {\"status\": \"affected\", \"version\": \"10.1(2t)\"}, {\"status\": \"affected\", \"version\": \"10.2(3)\"}, {\"status\": \"affected\", \"version\": \"10.2(3t)\"}, {\"status\": \"affected\", \"version\": \"9.3(10)\"}, {\"status\": \"affected\", \"version\": \"10.2(2a)\"}, {\"status\": \"affected\", \"version\": \"10.3(1)\"}, {\"status\": \"affected\", \"version\": \"10.2(4)\"}, {\"status\": \"affected\", \"version\": \"10.3(2)\"}, {\"status\": \"affected\", \"version\": \"9.3(11)\"}, {\"status\": \"affected\", \"version\": \"10.3(3)\"}, {\"status\": \"affected\", \"version\": \"10.2(5)\"}, {\"status\": \"affected\", \"version\": \"9.3(12)\"}, {\"status\": \"affected\", \"version\": \"10.2(3v)\"}, {\"status\": \"affected\", \"version\": \"10.4(1)\"}, {\"status\": \"affected\", \"version\": \"10.3(99w)\"}, {\"status\": \"affected\", \"version\": \"10.2(6)\"}, {\"status\": \"affected\", \"version\": \"10.3(3w)\"}, {\"status\": \"affected\", \"version\": \"10.3(99x)\"}, {\"status\": \"affected\", \"version\": \"10.3(3o)\"}, {\"status\": \"affected\", \"version\": \"10.3(4)\"}, {\"status\": \"affected\", \"version\": \"10.3(3p)\"}, {\"status\": \"affected\", \"version\": \"10.3(4a)\"}, {\"status\": \"affected\", \"version\": \"10.4(2)\"}, {\"status\": \"affected\", \"version\": \"10.3(3q)\"}, {\"status\": \"affected\", \"version\": \"9.3(13)\"}, {\"status\": \"affected\", \"version\": \"10.3(5)\"}, {\"status\": \"affected\", \"version\": \"10.2(7)\"}, {\"status\": \"affected\", \"version\": \"10.4(3)\"}, {\"status\": \"affected\", \"version\": \"10.3(3x)\"}, {\"status\": \"affected\", \"version\": \"10.3(4g)\"}, {\"status\": \"affected\", \"version\": \"10.5(1)\"}, {\"status\": \"affected\", \"version\": \"10.2(8)\"}, {\"status\": \"affected\", \"version\": \"10.3(3r)\"}, {\"status\": \"affected\", \"version\": \"10.3(6)\"}, {\"status\": \"affected\", \"version\": \"9.3(14)\"}, {\"status\": \"affected\", \"version\": \"10.4(4)\"}, {\"status\": \"affected\", \"version\": \"10.3(4h)\"}, {\"status\": \"affected\", \"version\": \"10.5(2)\"}, {\"status\": \"affected\", \"version\": \"10.4(4g)\"}], \"defaultStatus\": \"unknown\"}], \"exploits\": [{\"lang\": \"en\", \"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.\"}], \"references\": [{\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-n39k-isis-dos-JhJA8Rfx\", \"name\": \"cisco-sa-n39k-isis-dos-JhJA8Rfx\"}], \"descriptions\": [{\"lang\": \"en\", \"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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"cwe\", \"cweId\": \"CWE-733\", \"description\": \"Compiler Optimization Removal or Modification of Security-critical Code\"}]}], \"providerMetadata\": {\"orgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"shortName\": \"cisco\", \"dateUpdated\": \"2025-08-27T16:23:55.242Z\"}}}", "cveMetadata": "{\"cveId\": \"CVE-2025-20241\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-08-27T18:18:32.250Z\", \"dateReserved\": \"2024-10-10T19:15:13.238Z\", \"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"datePublished\": \"2025-08-27T16:23:55.242Z\", \"assignerShortName\": \"cisco\"}", "dataType": "CVE_RECORD", "dataVersion": "5.1" } } }
Loading…
Loading…
Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…