{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-20189","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","state":"PUBLISHED","assignerShortName":"cisco","dateReserved":"2024-10-10T19:15:13.226Z","datePublished":"2025-05-07T17:35:47.923Z","dateUpdated":"2025-05-07T19:44:12.723Z"},"containers":{"cna":{"providerMetadata":{"orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco","dateUpdated":"2025-05-07T17:35:47.923Z"},"descriptions":[{"lang":"en","value":"A vulnerability in the Cisco Express Forwarding functionality of Cisco IOS XE Software for Cisco ASR 903 Aggregation Services Routers with Route Switch Processor 3 (RSP3C) could allow an unauthenticated, adjacent attacker to trigger a denial of service (DoS) condition.\r\n\r This vulnerability is due to improper memory management when Cisco IOS XE Software is processing Address Resolution Protocol (ARP) messages. An attacker could exploit this vulnerability by sending crafted ARP messages at a high rate over a period of time to an affected device. A successful exploit could allow the attacker to exhaust system resources, which eventually triggers a reload of the active route switch processor (RSP). If a redundant RSP is not present, the router reloads."}],"affected":[{"vendor":"Cisco","product":"Cisco IOS XE Software","versions":[{"version":"3.16.0S","status":"affected"},{"version":"3.16.1S","status":"affected"},{"version":"3.16.1aS","status":"affected"},{"version":"3.16.2S","status":"affected"},{"version":"3.16.2aS","status":"affected"},{"version":"3.16.0cS","status":"affected"},{"version":"3.16.3S","status":"affected"},{"version":"3.16.2bS","status":"affected"},{"version":"3.16.3aS","status":"affected"},{"version":"3.16.4S","status":"affected"},{"version":"3.16.4aS","status":"affected"},{"version":"3.16.4bS","status":"affected"},{"version":"3.16.5S","status":"affected"},{"version":"3.16.4dS","status":"affected"},{"version":"3.16.6S","status":"affected"},{"version":"3.16.7S","status":"affected"},{"version":"3.16.6bS","status":"affected"},{"version":"3.16.7aS","status":"affected"},{"version":"3.16.7bS","status":"affected"},{"version":"3.16.8S","status":"affected"},{"version":"3.16.9S","status":"affected"},{"version":"3.16.10S","status":"affected"},{"version":"3.17.0S","status":"affected"},{"version":"3.17.1S","status":"affected"},{"version":"3.17.2S","status":"affected"},{"version":"3.17.1aS","status":"affected"},{"version":"3.17.3S","status":"affected"},{"version":"3.17.4S","status":"affected"},{"version":"16.1.1","status":"affected"},{"version":"16.1.2","status":"affected"},{"version":"16.1.3","status":"affected"},{"version":"16.2.1","status":"affected"},{"version":"16.2.2","status":"affected"},{"version":"16.3.1","status":"affected"},{"version":"16.3.2","status":"affected"},{"version":"16.3.3","status":"affected"},{"version":"16.3.1a","status":"affected"},{"version":"16.3.4","status":"affected"},{"version":"16.3.5","status":"affected"},{"version":"16.3.5b","status":"affected"},{"version":"16.3.6","status":"affected"},{"version":"16.3.7","status":"affected"},{"version":"16.3.8","status":"affected"},{"version":"16.3.9","status":"affected"},{"version":"16.3.10","status":"affected"},{"version":"16.3.11","status":"affected"},{"version":"16.4.1","status":"affected"},{"version":"16.4.2","status":"affected"},{"version":"16.4.3","status":"affected"},{"version":"16.5.1","status":"affected"},{"version":"16.5.1a","status":"affected"},{"version":"16.5.1b","status":"affected"},{"version":"16.5.2","status":"affected"},{"version":"16.5.3","status":"affected"},{"version":"3.18.0aS","status":"affected"},{"version":"3.18.0S","status":"affected"},{"version":"3.18.1S","status":"affected"},{"version":"3.18.2S","status":"affected"},{"version":"3.18.3S","status":"affected"},{"version":"3.18.4S","status":"affected"},{"version":"3.18.0SP","status":"affected"},{"version":"3.18.1SP","status":"affected"},{"version":"3.18.1aSP","status":"affected"},{"version":"3.18.1bSP","status":"affected"},{"version":"3.18.1cSP","status":"affected"},{"version":"3.18.2SP","status":"affected"},{"version":"3.18.2aSP","status":"affected"},{"version":"3.18.3SP","status":"affected"},{"version":"3.18.4SP","status":"affected"},{"version":"3.18.3aSP","status":"affected"},{"version":"3.18.3bSP","status":"affected"},{"version":"3.18.5SP","status":"affected"},{"version":"3.18.6SP","status":"affected"},{"version":"3.18.7SP","status":"affected"},{"version":"3.18.8aSP","status":"affected"},{"version":"3.18.9SP","status":"affected"},{"version":"16.6.1","status":"affected"},{"version":"16.6.2","status":"affected"},{"version":"16.6.3","status":"affected"},{"version":"16.6.4","status":"affected"},{"version":"16.6.5","status":"affected"},{"version":"16.6.4a","status":"affected"},{"version":"16.6.5a","status":"affected"},{"version":"16.6.6","status":"affected"},{"version":"16.6.7","status":"affected"},{"version":"16.6.8","status":"affected"},{"version":"16.6.9","status":"affected"},{"version":"16.6.10","status":"affected"},{"version":"16.7.1","status":"affected"},{"version":"16.7.1a","status":"affected"},{"version":"16.7.1b","status":"affected"},{"version":"16.7.2","status":"affected"},{"version":"16.7.3","status":"affected"},{"version":"16.7.4","status":"affected"},{"version":"16.8.1","status":"affected"},{"version":"16.8.1a","status":"affected"},{"version":"16.8.1b","status":"affected"},{"version":"16.8.1s","status":"affected"},{"version":"16.8.1c","status":"affected"},{"version":"16.8.1d","status":"affected"},{"version":"16.8.2","status":"affected"},{"version":"16.8.1e","status":"affected"},{"version":"16.8.3","status":"affected"},{"version":"16.9.1","status":"affected"},{"version":"16.9.2","status":"affected"},{"version":"16.9.1a","status":"affected"},{"version":"16.9.1b","status":"affected"},{"version":"16.9.1s","status":"affected"},{"version":"16.9.3","status":"affected"},{"version":"16.9.4","status":"affected"},{"version":"16.9.3a","status":"affected"},{"version":"16.9.5","status":"affected"},{"version":"16.9.5f","status":"affected"},{"version":"16.9.6","status":"affected"},{"version":"16.9.7","status":"affected"},{"version":"16.9.8","status":"affected"},{"version":"16.10.1","status":"affected"},{"version":"16.10.1a","status":"affected"},{"version":"16.10.1b","status":"affected"},{"version":"16.10.1s","status":"affected"},{"version":"16.10.1c","status":"affected"},{"version":"16.10.1e","status":"affected"},{"version":"16.10.1d","status":"affected"},{"version":"16.10.2","status":"affected"},{"version":"16.10.1f","status":"affected"},{"version":"16.10.1g","status":"affected"},{"version":"16.10.3","status":"affected"},{"version":"16.11.1","status":"affected"},{"version":"16.11.1a","status":"affected"},{"version":"16.11.1b","status":"affected"},{"version":"16.11.2","status":"affected"},{"version":"16.11.1s","status":"affected"},{"version":"16.12.1","status":"affected"},{"version":"16.12.1s","status":"affected"},{"version":"16.12.1a","status":"affected"},{"version":"16.12.1c","status":"affected"},{"version":"16.12.1w","status":"affected"},{"version":"16.12.2","status":"affected"},{"version":"16.12.1y","status":"affected"},{"version":"16.12.2a","status":"affected"},{"version":"16.12.3","status":"affected"},{"version":"16.12.8","status":"affected"},{"version":"16.12.2s","status":"affected"},{"version":"16.12.1x","status":"affected"},{"version":"16.12.1t","status":"affected"},{"version":"16.12.4","status":"affected"},{"version":"16.12.3s","status":"affected"},{"version":"16.12.3a","status":"affected"},{"version":"16.12.4a","status":"affected"},{"version":"16.12.5","status":"affected"},{"version":"16.12.6","status":"affected"},{"version":"16.12.1z1","status":"affected"},{"version":"16.12.5a","status":"affected"},{"version":"16.12.5b","status":"affected"},{"version":"16.12.1z2","status":"affected"},{"version":"16.12.6a","status":"affected"},{"version":"16.12.7","status":"affected"},{"version":"16.12.9","status":"affected"},{"version":"16.12.10","status":"affected"},{"version":"16.12.10a","status":"affected"},{"version":"16.12.11","status":"affected"},{"version":"16.12.12","status":"affected"},{"version":"16.12.13","status":"affected"},{"version":"17.1.1","status":"affected"},{"version":"17.1.1a","status":"affected"},{"version":"17.1.1s","status":"affected"},{"version":"17.1.1t","status":"affected"},{"version":"17.1.3","status":"affected"},{"version":"17.2.1","status":"affected"},{"version":"17.2.1r","status":"affected"},{"version":"17.2.1a","status":"affected"},{"version":"17.2.1v","status":"affected"},{"version":"17.2.2","status":"affected"},{"version":"17.2.3","status":"affected"},{"version":"17.3.1","status":"affected"},{"version":"17.3.2","status":"affected"},{"version":"17.3.3","status":"affected"},{"version":"17.3.1a","status":"affected"},{"version":"17.3.1w","status":"affected"},{"version":"17.3.2a","status":"affected"},{"version":"17.3.1x","status":"affected"},{"version":"17.3.1z","status":"affected"},{"version":"17.3.4","status":"affected"},{"version":"17.3.5","status":"affected"},{"version":"17.3.4a","status":"affected"},{"version":"17.3.6","status":"affected"},{"version":"17.3.4b","status":"affected"},{"version":"17.3.4c","status":"affected"},{"version":"17.3.5a","status":"affected"},{"version":"17.3.5b","status":"affected"},{"version":"17.3.7","status":"affected"},{"version":"17.3.8","status":"affected"},{"version":"17.3.8a","status":"affected"},{"version":"17.4.1","status":"affected"},{"version":"17.4.2","status":"affected"},{"version":"17.4.1a","status":"affected"},{"version":"17.4.1b","status":"affected"},{"version":"17.4.2a","status":"affected"},{"version":"17.5.1","status":"affected"},{"version":"17.5.1a","status":"affected"},{"version":"17.6.1","status":"affected"},{"version":"17.6.2","status":"affected"},{"version":"17.6.1w","status":"affected"},{"version":"17.6.1a","status":"affected"},{"version":"17.6.1x","status":"affected"},{"version":"17.6.3","status":"affected"},{"version":"17.6.1y","status":"affected"},{"version":"17.6.1z","status":"affected"},{"version":"17.6.3a","status":"affected"},{"version":"17.6.4","status":"affected"},{"version":"17.6.1z1","status":"affected"},{"version":"17.6.5","status":"affected"},{"version":"17.6.6","status":"affected"},{"version":"17.6.6a","status":"affected"},{"version":"17.6.5a","status":"affected"},{"version":"17.6.7","status":"affected"},{"version":"17.6.8","status":"affected"},{"version":"17.6.8a","status":"affected"},{"version":"17.7.1","status":"affected"},{"version":"17.7.1a","status":"affected"},{"version":"17.7.1b","status":"affected"},{"version":"17.7.2","status":"affected"},{"version":"17.10.1","status":"affected"},{"version":"17.10.1a","status":"affected"},{"version":"17.10.1b","status":"affected"},{"version":"17.8.1","status":"affected"},{"version":"17.8.1a","status":"affected"},{"version":"17.9.1","status":"affected"},{"version":"17.9.1w","status":"affected"},{"version":"17.9.2","status":"affected"},{"version":"17.9.1a","status":"affected"},{"version":"17.9.1x","status":"affected"},{"version":"17.9.1y","status":"affected"},{"version":"17.9.3","status":"affected"},{"version":"17.9.2a","status":"affected"},{"version":"17.9.1x1","status":"affected"},{"version":"17.9.3a","status":"affected"},{"version":"17.9.4","status":"affected"},{"version":"17.9.1y1","status":"affected"},{"version":"17.9.5","status":"affected"},{"version":"17.9.4a","status":"affected"},{"version":"17.9.5a","status":"affected"},{"version":"17.9.5b","status":"affected"},{"version":"17.9.6","status":"affected"},{"version":"17.9.6a","status":"affected"},{"version":"17.9.5e","status":"affected"},{"version":"17.9.5f","status":"affected"},{"version":"17.11.1","status":"affected"},{"version":"17.11.1a","status":"affected"},{"version":"17.12.1","status":"affected"},{"version":"17.12.1w","status":"affected"},{"version":"17.12.1x","status":"affected"},{"version":"17.12.2","status":"affected"},{"version":"17.12.3","status":"affected"},{"version":"17.12.2a","status":"affected"},{"version":"17.12.1y","status":"affected"},{"version":"17.12.1z","status":"affected"},{"version":"17.12.4","status":"affected"},{"version":"17.12.3a","status":"affected"},{"version":"17.12.1z1","status":"affected"},{"version":"17.12.4a","status":"affected"},{"version":"17.12.4b","status":"affected"},{"version":"17.13.1","status":"affected"},{"version":"17.13.1a","status":"affected"},{"version":"17.14.1","status":"affected"},{"version":"17.14.1a","status":"affected"}]}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Mismatched Memory Management Routines","type":"cwe","cweId":"CWE-762"}]}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr903-rsp3-arp-dos-WmfzdvJZ","name":"cisco-sa-asr903-rsp3-arp-dos-WmfzdvJZ"}],"metrics":[{"format":"cvssV3_1","cvssV3_1":{"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"}}],"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."}],"source":{"advisory":"cisco-sa-asr903-rsp3-arp-dos-WmfzdvJZ","discovery":"EXTERNAL","defects":["CSCwh55442"]}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-07T18:56:04.440375Z","id":"CVE-2025-20189","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-05-07T19:44:12.723Z"}}]}}