What’s Vulnerable › Vulnerabilities

CVE-2020-15077

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-04 · updated 2026-06-17
• Weakness: CWE-305

Description

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.

Affected products

• OpenVPN Access Server: through 2.8.7

References

• https://openvpn.net/security-advisory/access-server-security-update-cve-2020-15077/
• https://openvpn.net/vpn-server-resources/release-notes/
• https://openvpn.net/security-advisory/access-server-security-update-cve-2020-15077/
• https://openvpn.net/vpn-server-resources/release-notes/

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