{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-20144", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "state": "PUBLISHED", "assignerShortName": "cisco", "dateReserved": "2024-10-10T19:15:13.215Z", "datePublished": "2025-03-12T16:12:39.882Z", "dateUpdated": "2025-03-12T16:12:39.882Z"}, "containers": {"cna": {"title": "Cisco IOS XR Software Access Control List Bypass Vulnerability", "metrics": [{"format": "cvssV3_1", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N", "baseScore": 4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}}], "descriptions": [{"lang": "en", "value": "A vulnerability in the hybrid access control list (ACL) processing of IPv4 packets in Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL.\r\n\r\nThis vulnerability is due to incorrect handling of packets when a specific configuration of the hybrid ACL exists. An attacker could exploit this vulnerability by attempting to send traffic through an affected device. A successful exploit could allow the attacker to bypass a configured ACL on the affected device.\r\nFor more information, see the section of this advisory.\r\nCisco has released software updates that address this vulnerability. There are workarounds that address this vulnerability."}], "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ncs-hybridacl-crMZFfKQ", "name": "cisco-sa-ncs-hybridacl-crMZFfKQ"}, {"url": "https://blog.apnic.net/2024/09/02/crafting-endless-as-paths-in-bgp/", "name": "Crafting endless AS-PATHS in BGP"}], "exploits": [{"lang": "en", "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "source": {"advisory": "cisco-sa-ncs-hybridacl-crMZFfKQ", "discovery": "INTERNAL", "defects": ["CSCwi49569"]}, "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Access Control", "type": "cwe", "cweId": "CWE-284"}]}], "affected": [{"vendor": "Cisco", "product": "Cisco IOS XR Software", "versions": [{"version": "6.5.3", "status": "affected"}, {"version": "6.5.2", "status": "affected"}, {"version": "6.5.92", "status": "affected"}, {"version": "6.5.1", "status": "affected"}, {"version": "6.6.2", "status": "affected"}, {"version": "7.0.1", "status": "affected"}, {"version": "6.6.25", "status": "affected"}, {"version": "6.6.1", "status": "affected"}, {"version": "6.5.93", "status": "affected"}, {"version": "7.1.1", "status": "affected"}, {"version": "7.0.90", "status": "affected"}, {"version": "6.6.3", "status": "affected"}, {"version": "7.0.2", "status": "affected"}, {"version": "7.2.1", "status": "affected"}, {"version": "7.1.2", "status": "affected"}, {"version": "6.6.4", "status": "affected"}, {"version": "7.3.1", "status": "affected"}, {"version": "7.4.1", "status": "affected"}, {"version": "7.2.2", "status": "affected"}, {"version": "7.3.2", "status": "affected"}, {"version": "7.5.1", "status": "affected"}, {"version": "7.6.1", "status": "affected"}, {"version": "7.5.2", "status": "affected"}, {"version": "7.7.1", "status": "affected"}, {"version": "7.3.3", "status": "affected"}, {"version": "7.4.2", "status": "affected"}, {"version": "7.3.4", "status": "affected"}, {"version": "7.6.2", "status": "affected"}, {"version": "7.8.1", "status": "affected"}, {"version": "7.5.3", "status": "affected"}, {"version": "7.7.2", "status": "affected"}, {"version": "7.9.1", "status": "affected"}, {"version": "7.8.2", "status": "affected"}, {"version": "7.5.4", "status": "affected"}, {"version": "7.8.22", "status": "affected"}, {"version": "7.10.1", "status": "affected"}, {"version": "7.7.21", "status": "affected"}, {"version": "7.9.2", "status": "affected"}, {"version": "7.3.5", "status": "affected"}, {"version": "7.5.5", "status": "affected"}, {"version": "7.11.1", "status": "affected"}, {"version": "7.10.2", "status": "affected"}, {"version": "7.3.6", "status": "affected"}], "defaultStatus": "unknown"}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2025-03-12T16:12:39.882Z"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability in the hybrid access control list (ACL) processing of IPv4 packets in Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL.\r\n\r\nThis vulnerability is due to incorrect handling of packets when a specific configuration of the hybrid ACL exists. An attacker could exploit this vulnerability by attempting to send traffic through an affected device. A successful exploit could allow the attacker to bypass a configured ACL on the affected device.\r\nFor more information, see the section of this advisory.\r\nCisco has released software updates that address this vulnerability. There are workarounds that address this vulnerability."}], "id": "CVE-2025-20144", "lastModified": "2025-03-12T16:15:21.890", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "psirt@cisco.com", "type": "Primary"}]}, "published": "2025-03-12T16:15:21.890", "references": [{"source": "psirt@cisco.com", "url": "https://blog.apnic.net/2024/09/02/crafting-endless-as-paths-in-bgp/"}, {"source": "psirt@cisco.com", "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ncs-hybridacl-crMZFfKQ"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "psirt@cisco.com", "type": "Primary"}]}

{}