What’s Vulnerable › Vulnerabilities

CVE-2020-8953

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-13 · updated 2026-06-17
• Weakness: CWE-287

Description

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

Affected products

• OpenVPN Access Server: from 2.8.0 before 2.8.1 — fixed in 2.8.1

How to fix

Upgrade to a fixed version: OpenVPN Access Server 2.8.1. Check the vendor advisory for mitigations.

References

• https://openvpn.net/security-advisories/
• https://openvpn.net/security-advisories/

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