CVE-2020-8953

OpenVPN Access Server 2.8.x before 2.8.1 allows LDAP authentication bypass (except when a user is enrolled in two-factor authentication).

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://openvpn.net/security-advisories/	Vendor Advisory
https://openvpn.net/security-advisories/	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:openvpn:openvpn_access_server:*:*:*:*:*:*:*:*

History

21 Nov 2024, 05:39

Type	Values Removed	Values Added
References	~~() https://openvpn.net/security-advisories/ - Vendor Advisory~~	() https://openvpn.net/security-advisories/ - Vendor Advisory

Information

Published : 2020-02-13 04:15

Updated : 2024-11-21 05:39

NVD link : CVE-2020-8953

Mitre link : CVE-2020-8953

CVE.ORG link : CVE-2020-8953

JSON object : View

Products Affected

openvpn

openvpn_access_server

CWE

CWE-287

Improper Authentication

{"id": "CVE-2020-8953", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2020-02-13T04:15:11.857", "references": [{"url": "https://openvpn.net/security-advisories/", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://openvpn.net/security-advisories/", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-287"}]}], "descriptions": [{"lang": "en", "value": "OpenVPN Access Server 2.8.x before 2.8.1 allows LDAP authentication bypass (except when a user is enrolled in two-factor authentication)."}, {"lang": "es", "value": "OpenVPN Access Server versiones 2.8.x anteriores a 2.8.1, permite una omisi\u00f3n de autenticaci\u00f3n LDAP (excepto cuando un usuario est\u00e1 inscrito en autenticaci\u00f3n de dos factores)."}], "lastModified": "2024-11-21T05:39:44.033", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:openvpn:openvpn_access_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F62245FE-36BD-41E1-9BDB-37C30B643E6D", "versionEndExcluding": "2.8.1", "versionStartIncluding": "2.8.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}