{"id":"CVE-2025-13086","state":"PUBLISHED","title":"Improper validation of source IP addresses in OpenVPN version 2.6.0 through 2.6.15 and 2.7_alpha1 through 2.7_rc1 allows an attacker to open a session from a different IP address w","description":"Improper validation of source IP addresses in OpenVPN version 2.6.0 through 2.6.15 and 2.7_alpha1 through 2.7_rc1 allows an attacker to open a session from a different IP address which did not initiate the connection resulting in a denial of service for the originating client","publishedAt":"2025-12-03T19:54:10.737Z","updatedAt":"2025-12-12T13:50:46.678Z","severity":{"score":4.6,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U","source":"OpenVPN"},"assigner":"OpenVPN","products":["OpenVPN OpenVPN"],"affected":[{"vendor":"OpenVPN","product":"OpenVPN","defaultStatus":"unaffected","versions":[{"version":"2.6.0","status":"affected","lessThanOrEqual":"2.6.15","versionType":"semver"},{"version":"2.7_alpha1","status":"affected","lessThanOrEqual":"2.7_rc1","versionType":"semver"}]}],"references":["https://community.openvpn.net/Security%20Announcements/CVE-2025-13086","https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00152.html","https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00151.html"],"weaknesses":["CWE-940"],"ingestedAt":"2026-10-29T20:08:31.050Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/13xxx/CVE-2025-13086.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-13086","state":"PUBLISHED","datePublished":"2025-12-03T19:54:10.737Z","dateUpdated":"2025-12-12T13:50:46.678Z","assignerShortName":"OpenVPN","assignerOrgId":"36a55730-e66d-4d39-8ca6-3c3b3017965e","dateReserved":"2025-11-12T19:37:55.606Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Improper validation of source IP addresses in OpenVPN version 2.6.0 through 2.6.15 and 2.7_alpha1 through 2.7_rc1 allows an attacker to open a session from a different IP address which did not initiate the connection resulting in a denial of service for the originating client"}],"affected":[{"vendor":"OpenVPN","product":"OpenVPN","defaultStatus":"unaffected","versions":[{"version":"2.6.0","status":"affected","lessThanOrEqual":"2.6.15","versionType":"semver"},{"version":"2.7_alpha1","status":"affected","lessThanOrEqual":"2.7_rc1","versionType":"semver"}]}],"references":[{"url":"https://community.openvpn.net/Security%20Announcements/CVE-2025-13086","tags":["vendor-advisory"]},{"url":"https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00152.html","tags":["release-notes"]},{"url":"https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00151.html","tags":["release-notes"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"version":"4.0","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"UNREPORTED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","baseSeverity":"MEDIUM","baseScore":4.6,"vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-940","lang":"en","description":"CWE-940: Improper Verification of Source of a Communication Channel","type":"CWE"}]}],"providerMetadata":{"shortName":"OpenVPN","orgId":"36a55730-e66d-4d39-8ca6-3c3b3017965e","dateUpdated":"2025-12-12T13:50:46.678Z"},"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-12-03T21:48:54.419203Z","id":"CVE-2025-13086","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-12-03T21:49:07.801Z"}}]}}}