CVE-2025-3110

Summary

OpenVPN 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 proxy

Affected Software

VendorProductVersion RangeStatus
OpenVPNAccess Server2.7.2 <= 3.1.0affected

Weaknesses

  • CWE-444: CWE-444 Inconsistent interpretation of HTTP requests ('HTTP Request/Response smuggling')

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References