{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-20339","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","state":"PUBLISHED","assignerShortName":"cisco","dateReserved":"2024-10-10T19:15:13.255Z","datePublished":"2025-09-24T16:40:27.448Z","dateUpdated":"2025-09-24T17:04:25.755Z"},"containers":{"cna":{"title":"Cisco SD-WAN vEdge Software Access Control List Bypass Vulnerability","metrics":[{"format":"cvssV3_1","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","baseScore":5.8,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"}}],"descriptions":[{"lang":"en","value":"A vulnerability in the access control list (ACL) processing of IPv4 packets of Cisco SD-WAN vEdge Software could allow an unauthenticated, remote attacker to bypass a configured ACL.\r\n\r\nThis vulnerability is due to the improper enforcement of the implicit deny all at the end of a configured ACL. An attacker could exploit this vulnerability by attempting to send unauthorized traffic to an interface on an affected device. A successful exploit could allow the attacker to bypass an ACL on the affected device."}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-defaultacl-pSJk9nVF","name":"cisco-sa-defaultacl-pSJk9nVF"}],"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-defaultacl-pSJk9nVF","discovery":"EXTERNAL","defects":["CSCwo83136"]},"problemTypes":[{"descriptions":[{"lang":"en","description":"Improper Access Control","type":"cwe","cweId":"CWE-284"}]}],"affected":[{"vendor":"Cisco","product":"Cisco SD-WAN vEdge Cloud","versions":[{"version":"20.9.1","status":"affected"},{"version":"20.9.1.1","status":"affected"},{"version":"20.9.2","status":"affected"},{"version":"20.9.3","status":"affected"},{"version":"20.9.3.1","status":"affected"},{"version":"20.9.2.2","status":"affected"},{"version":"20.9.2.3","status":"affected"},{"version":"20.9.4","status":"affected"},{"version":"20.9.5","status":"affected"},{"version":"20.9.5.1","status":"affected"},{"version":"20.9.6","status":"affected"},{"version":"20.9.5.3","status":"affected"}],"defaultStatus":"unknown"},{"vendor":"Cisco","product":"Cisco SD-WAN vEdge Router","versions":[{"version":"20.3.1","status":"affected"},{"version":"20.3.2","status":"affected"},{"version":"20.4.1","status":"affected"},{"version":"20.4.1.1","status":"affected"},{"version":"20.3.3","status":"affected"},{"version":"20.4.1.2","status":"affected"},{"version":"20.4.2","status":"affected"},{"version":"20.3.4","status":"affected"},{"version":"20.3.5","status":"affected"},{"version":"20.9.1","status":"affected"},{"version":"20.3.6","status":"affected"},{"version":"20.9.2","status":"affected"},{"version":"20.3.7","status":"affected"},{"version":"20.9.3","status":"affected"},{"version":"20.3.3.2","status":"affected"},{"version":"20.3.4.3","status":"affected"},{"version":"20.9.3.1","status":"affected"},{"version":"20.3.7.1","status":"affected"},{"version":"20.3.5.1","status":"affected"},{"version":"20.4.2.3","status":"affected"},{"version":"20.9.2.2","status":"affected"},{"version":"20.3.7.2","status":"affected"},{"version":"20.9.2.3","status":"affected"},{"version":"20.9.4","status":"affected"},{"version":"20.12.1","status":"affected"},{"version":"20.3.8","status":"affected"},{"version":"20.9.4.1777","status":"affected"},{"version":"20.9.5","status":"affected"},{"version":"20.9.5.1","status":"affected"},{"version":"20.12.3.1","status":"affected"},{"version":"20.9.6","status":"affected"},{"version":"20.9.5.3","status":"affected"}],"defaultStatus":"unknown"}],"providerMetadata":{"orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco","dateUpdated":"2025-09-24T16:40:27.448Z"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-09-24T17:03:59.125030Z","id":"CVE-2025-20339","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"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":"2025-09-24T17:04:25.755Z"}}]}}