cve-2020-15078
Vulnerability from cvelistv5
Published
2021-04-26 13:19
Modified
2024-08-04 13:08
Severity ?
EPSS score ?
Summary
OpenVPN 2.5.1 and earlier versions allows a remote attackers to bypass authentication and access control channel data on servers configured with deferred authentication, which can be used to potentially trigger further information leaks.
References
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-04T13:08:21.675Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "name": "FEDORA-2021-242ef81244", "tags": [ "vendor-advisory", "x_refsource_FEDORA", "x_transferred" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GJUXEYHUPREEBPX23VPEKMFXUPVO3PMU/" }, { "name": "FEDORA-2021-b805c26afa", "tags": [ "vendor-advisory", "x_refsource_FEDORA", "x_transferred" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PLDB3OBQ3AODYYRN7NRCABV6I4AUFAT6/" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://community.openvpn.net/openvpn/wiki/CVE-2020-15078" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements" }, { "name": "FEDORA-2021-d6b9d8497b", "tags": [ "vendor-advisory", "x_refsource_FEDORA", "x_transferred" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JGEGLC4YGBDN5CGHTNWN2GH6DJJA36T2/" }, { "name": "GLSA-202105-25", "tags": [ "vendor-advisory", "x_refsource_GENTOO", "x_transferred" ], "url": "https://security.gentoo.org/glsa/202105-25" }, { "tags": [ "vendor-advisory", "x_refsource_UBUNTU", "x_transferred" ], "url": "https://usn.ubuntu.com/usn/usn-4933-1" }, { "name": "[debian-lts-announce] 20220503 [SECURITY] [DLA 2992-1] openvpn security update", "tags": [ "mailing-list", "x_refsource_MLIST", "x_transferred" ], "url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "OpenVPN", "vendor": "n/a", "versions": [ { "status": "affected", "version": "2.5.1 and earlier versions" } ] } ], "descriptions": [ { "lang": "en", "value": "OpenVPN 2.5.1 and earlier versions allows a remote attackers to bypass authentication and access control channel data on servers configured with deferred authentication, which can be used to potentially trigger further information leaks." } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-305", "description": "CWE-305: Authentication Bypass by Primary Weakness", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2022-05-03T13:06:09", "orgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e", "shortName": "OpenVPN" }, "references": [ { "name": "FEDORA-2021-242ef81244", "tags": [ "vendor-advisory", "x_refsource_FEDORA" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GJUXEYHUPREEBPX23VPEKMFXUPVO3PMU/" }, { "name": "FEDORA-2021-b805c26afa", "tags": [ "vendor-advisory", "x_refsource_FEDORA" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PLDB3OBQ3AODYYRN7NRCABV6I4AUFAT6/" }, { "tags": [ "x_refsource_MISC" ], "url": "https://community.openvpn.net/openvpn/wiki/CVE-2020-15078" }, { "tags": [ "x_refsource_MISC" ], "url": "https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements" }, { "name": "FEDORA-2021-d6b9d8497b", "tags": [ "vendor-advisory", "x_refsource_FEDORA" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JGEGLC4YGBDN5CGHTNWN2GH6DJJA36T2/" }, { "name": "GLSA-202105-25", "tags": [ "vendor-advisory", "x_refsource_GENTOO" ], "url": "https://security.gentoo.org/glsa/202105-25" }, { "tags": [ "vendor-advisory", "x_refsource_UBUNTU" ], "url": "https://usn.ubuntu.com/usn/usn-4933-1" }, { "name": "[debian-lts-announce] 20220503 [SECURITY] [DLA 2992-1] openvpn security update", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security@openvpn.net", "ID": "CVE-2020-15078", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "OpenVPN", "version": { "version_data": [ { "version_value": "2.5.1 and earlier versions" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "OpenVPN 2.5.1 and earlier versions allows a remote attackers to bypass authentication and access control channel data on servers configured with deferred authentication, which can be used to potentially trigger further information leaks." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-305: Authentication Bypass by Primary Weakness" } ] } ] }, "references": { "reference_data": [ { "name": "FEDORA-2021-242ef81244", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GJUXEYHUPREEBPX23VPEKMFXUPVO3PMU/" }, { "name": "FEDORA-2021-b805c26afa", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PLDB3OBQ3AODYYRN7NRCABV6I4AUFAT6/" }, { "name": "https://community.openvpn.net/openvpn/wiki/CVE-2020-15078", "refsource": "MISC", "url": "https://community.openvpn.net/openvpn/wiki/CVE-2020-15078" }, { "name": "https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements", "refsource": "MISC", "url": "https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements" }, { "name": "FEDORA-2021-d6b9d8497b", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JGEGLC4YGBDN5CGHTNWN2GH6DJJA36T2/" }, { "name": "GLSA-202105-25", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/202105-25" }, { "name": "https://usn.ubuntu.com/usn/usn-4933-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/usn/usn-4933-1" }, { "name": "[debian-lts-announce] 20220503 [SECURITY] [DLA 2992-1] openvpn security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html" } ] } } } }, "cveMetadata": { "assignerOrgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e", "assignerShortName": "OpenVPN", "cveId": "CVE-2020-15078", "datePublished": "2021-04-26T13:19:45", "dateReserved": "2020-06-25T00:00:00", "dateUpdated": "2024-08-04T13:08:21.675Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2020-15078\",\"sourceIdentifier\":\"security@openvpn.net\",\"published\":\"2021-04-26T14:15:08.623\",\"lastModified\":\"2024-11-21T05:04:45.900\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"OpenVPN 2.5.1 and earlier versions allows a remote attackers to bypass authentication and access control channel data on servers configured with deferred authentication, which can be used to potentially trigger further information leaks.\"},{\"lang\":\"es\",\"value\":\"OpenVPN versiones 2.5.1 y anteriores, permiten a atacantes remotos omitir la autenticaci\u00f3n y los datos del canal de control de acceso en servidores configurados con autenticaci\u00f3n diferida, que pueden ser usados para desencadenar potencialmente m\u00e1s fugas de informaci\u00f3n\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:N/A:N\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"security@openvpn.net\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-305\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-306\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2.4.11\",\"matchCriteriaId\":\"76F53F5F-60D6-4F46-AF6A-A30045312564\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.5.0\",\"versionEndExcluding\":\"2.5.2\",\"matchCriteriaId\":\"4C756C27-A377-4263-9A59-EB36DFDD5CFE\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"36D96259-24BD-44E2-96D9-78CE1D41F956\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E460AA51-FCDA-46B9-AE97-E6676AA5E194\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A930E247-0B43-43CB-98FF-6CE7B8189835\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"902B8056-9E37-443B-8905-8AA93E2447FB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:20.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"338B3AAC-C147-4A31-95E7-6E8A6FB4B3FC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:21.04:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8EF1C1CC-3FAE-4DE3-BC41-E5B14D5721F4\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DEECE5FC-CACF-4496-A3E7-164736409252\"}]}]}],\"references\":[{\"url\":\"https://community.openvpn.net/openvpn/wiki/CVE-2020-15078\",\"source\":\"security@openvpn.net\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements\",\"source\":\"security@openvpn.net\",\"tags\":[\"Broken Link\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html\",\"source\":\"security@openvpn.net\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GJUXEYHUPREEBPX23VPEKMFXUPVO3PMU/\",\"source\":\"security@openvpn.net\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JGEGLC4YGBDN5CGHTNWN2GH6DJJA36T2/\",\"source\":\"security@openvpn.net\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PLDB3OBQ3AODYYRN7NRCABV6I4AUFAT6/\",\"source\":\"security@openvpn.net\"},{\"url\":\"https://security.gentoo.org/glsa/202105-25\",\"source\":\"security@openvpn.net\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://usn.ubuntu.com/usn/usn-4933-1\",\"source\":\"security@openvpn.net\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://community.openvpn.net/openvpn/wiki/CVE-2020-15078\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Broken Link\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GJUXEYHUPREEBPX23VPEKMFXUPVO3PMU/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JGEGLC4YGBDN5CGHTNWN2GH6DJJA36T2/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PLDB3OBQ3AODYYRN7NRCABV6I4AUFAT6/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://security.gentoo.org/glsa/202105-25\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://usn.ubuntu.com/usn/usn-4933-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}" } }
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Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.