Home/CVE/OpenVPN Access Server 2.8.7 and earlier versions allows a remote attackers to bypass authentication and access control c
CVE

CVE-2020-15077

OpenVPN Access Server 2.8.7 and earlier versions allows a remote attackers to bypass authentication and access control c

OpenVPN Access Server 2.8.7 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.

MEDIUM · CVSS 5.3 EPSS 0.00094
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-287Improper Authentication
CWE-305Authentication Bypass by Primary Weakness
▤

Affected Products & Versions

1
openvpn access server<= 2.8.7
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · security@openvpn.net
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Jun 2021 · 11:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://openvpn.net/security-advisory/access-server-security-update-cve-2020-15077/Vendor Advisory
https://openvpn.net/vpn-server-resources/release-notes/Release NotesVendor Advisory
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