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CVE-2025-3110

HIGH
7.5
CVSS Score
Published: July 8, 2026 at 04:19 PM UTC
Updated: September 29, 2026 at 07:10 PM UTC
1 product affected across 1 vendorOpenvpn Access Server

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Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Openvpn Access Server· Openvpn
95%
2.7.2 ≤ v ≤ 3.1.02.7.2

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Release Notes
Source: cverecord
https://openvpn.net/as-docs/as-3-2-release-notes.html

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-444

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