CVE Tools

Openvpn Access Server

22 CVEs tracked. None of them is in CISA KEV.

This hub aggregates every CVE we track for Openvpn Access Server, a product in the networking infrastructure space. Use it to gauge the current risk picture and drill into individual advisories.

Openvpn Access Server CVEs per month

Oct 2024 to Sep 2026. Point at a month, or focus the strip and use the arrow keys.
Openvpn Access Server CVEs per month
MonthCVEs
2024-100
2024-110
2024-120
2025-010
2025-020
2025-030
2025-040
2025-050
2025-060
2025-070
2025-080
2025-090
2025-101
2025-110
2025-120
2026-010
2026-020
2026-030
2026-040
2026-050
2026-060
2026-071
2026-080
2026-090

Severity

How the 22 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.

  • Critical314%
  • High941%
  • Medium941%
  • Low15%

Latest CVEs

The 15 most recently published vulnerabilities affecting Openvpn Access Server.

  1. CVE-2025-3110OpenVPN Access Server 2.7.2 through 3.1.0 accepts bare line-feed sequences inside HTTP header values, allowing remote attackers to perform HTTP request smuggling when deployed behind a reverse proxy7.5
  2. CVE-2025-50055Cross-site scripting (XSS) vulnerability in the SAML Authentication module in OpenVPN Access Server version 2.14.0 through 2.14.3 allows configured remote SAML Assertion Consumer Service (ACS) endp...6.4
  3. CVE-2023-46850Use after free in OpenVPN version 2.6.0 to 2.6.6 may lead to undefined behavoir, leaking memory buffers or remote execution when sending network buffers to a remote peer.9.8
  4. CVE-2023-46849Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading t...7.5
  5. CVE-2021-4234OpenVPN Access Server 2.10 and prior versions are susceptible to resending multiple packets in a response to a reset packet sent from the client which the client again does not respond to, resultin...7.5
  6. CVE-2022-33738OpenVPN Access Server before 2.11 uses a weak random generator used to create user session token for the web portal7.5
  7. CVE-2022-33737The OpenVPN Access Server installer creates a log file readable for everyone, which from version 2.10.0 and before 2.11.0 may contain a random generated admin password7.5
  8. CVE-2021-3824OpenVPN Access Server 2.9.0 through 2.9.4 allow remote attackers to inject arbitrary web script or HTML via the web login page URL.6.1
  9. CVE-2020-36382OpenVPN Access Server 2.7.3 to 2.8.7 allows remote attackers to trigger an assert during the user authentication phase via incorrect authentication token data in an early phase of the user authenti...7.5
  10. CVE-2020-15077OpenVPN 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 ...5.3
  11. CVE-2020-15074OpenVPN Access Server older than version 2.8.4 and version 2.9.5 generates new user authentication tokens instead of reusing exiting tokens on reconnect making it possible to circumvent the initial...7.5
  12. CVE-2020-11462An issue was discovered in OpenVPN Access Server before 2.7.0 and 2.8.x before 2.8.3. With the full featured RPC2 interface enabled, it is possible to achieve a temporary DoS state of the managemen...7.5
  13. CVE-2020-8953OpenVPN Access Server 2.8.x before 2.8.1 allows LDAP authentication bypass (except when a user is enrolled in two-factor authentication).9.8
  14. CVE-2017-5868CRLF injection vulnerability in the web interface in OpenVPN Access Server 2.1.4 allows remote attackers to inject arbitrary HTTP headers and consequently conduct session fixation attacks and possi...6.1
  15. CVE-2014-8104OpenVPN 2.x before 2.0.11, 2.1.x, 2.2.x before 2.2.3, and 2.3.x before 2.3.6 allows remote authenticated users to cause a denial of service (server crash) via a small control channel packet.6.8

Product grouping is registry-driven, with AI assist and human review. How it works

We use analytics cookies to see which pages and articles actually help people. Decline and none of them run — the site works the same. What we store