CVE-2025-2704

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-2704", "assignerOrgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e", "state": "PUBLISHED", "assignerShortName": "OpenVPN", "dateReserved": "2025-03-24T10:26:42.493Z", "datePublished": "2025-04-02T21:00:58.582Z", "dateUpdated": "2025-10-23T10:53:34.373Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e", "shortName": "OpenVPN", "dateUpdated": "2025-10-23T10:53:34.373Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-754", "description": "CWE-754 Improper Check for Unusual or Exceptional Conditions", "type": "CWE"}]}], "affected": [{"vendor": "OpenVPN", "product": "OpenVPN", "versions": [{"status": "affected", "version": "2.6.1", "lessThanOrEqual": "2.6.13", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "OpenVPN version 2.6.1 through 2.6.13 in server mode using TLS-crypt-v2 allows remote attackers to trigger a denial of service by corrupting and replaying network packets in the early handshake phase"}], "references": [{"url": "https://community.openvpn.net/openvpn/wiki/CVE-2025-2704", "tags": ["vendor-advisory"]}, {"url": "https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00142.html", "tags": ["release-notes"]}], "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2025/04/02/5"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-04-03T00:11:05.289Z"}}, {"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-04-07T17:20:44.473236Z", "id": "CVE-2025-2704", "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": "2025-04-07T17:23:59.009Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2025/04/02/5"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-04-03T00:11:05.289Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2025-2704", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-04-07T17:20:44.473236Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-07T17:21:04.456Z"}}], "cna": {"affected": [{"vendor": "OpenVPN", "product": "OpenVPN", "versions": [{"status": "affected", "version": "2.6.1", "versionType": "semver", "lessThanOrEqual": "2.6.13"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://community.openvpn.net/openvpn/wiki/CVE-2025-2704"}], "descriptions": [{"lang": "en", "value": "OpenVPN version 2.6.1 through 2.6.13 in server mode using TLS-crypt-v2 allows remote attackers to trigger a denial of service by corrupting and replaying network packets in the early handshake phase"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-754", "description": "CWE-754 Improper Check for Unusual or Exceptional Conditions"}]}], "providerMetadata": {"orgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e", "shortName": "OpenVPN", "dateUpdated": "2025-04-02T21:00:58.582Z"}}}, "cveMetadata": {"cveId": "CVE-2025-2704", "state": "PUBLISHED", "dateUpdated": "2025-04-07T17:23:59.009Z", "dateReserved": "2025-03-24T10:26:42.493Z", "assignerOrgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e", "datePublished": "2025-04-02T21:00:58.582Z", "assignerShortName": "OpenVPN"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "OpenVPN", "vendor": "OpenVPN", "versions": [{"lessThanOrEqual": "2.6.13", "status": "affected", "version": "2.6.1", "versionType": "semver"}]}], "source": "security@openvpn.net"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openvpn:openvpn:*:*:*:*:community:*:*:*", "matchCriteriaId": "2BC16851-89DA-4AFB-96D2-AAF258DCF5DC", "versionEndIncluding": "2.6.13", "versionStartIncluding": "2.6.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenVPN version 2.6.1 through 2.6.13 in server mode using TLS-crypt-v2 allows remote attackers to trigger a denial of service by corrupting and replaying network packets in the early handshake phase"}, {"lang": "es", "value": "Las versiones 2.6.1 a 2.6.13 de OpenVPN en modo servidor que utilizan TLS-crypt-v2 permiten a atacantes remotos provocar una denegaci\u00f3n de servicio al corromper y reproducir paquetes de red en la fase inicial del protocolo de enlace."}], "id": "CVE-2025-2704", "lastModified": "2026-06-17T09:07:28.283", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-2704", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-07T17:20:44.473236Z", "version": "2.0.3"}}]}, "published": "2025-04-02T21:15:32.943", "references": [{"source": "security@openvpn.net", "tags": ["Broken Link"], "url": "https://community.openvpn.net/openvpn/wiki/CVE-2025-2704"}, {"source": "security@openvpn.net", "url": "https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00142.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List"], "url": "http://www.openwall.com/lists/oss-security/2025/04/02/5"}], "sourceIdentifier": "security@openvpn.net", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-754"}], "source": "security@openvpn.net", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-754"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}