Description
CRLF 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 possibly HTTP response splitting attacks via "%0A" characters in the PATH_INFO to __session_start__/.
CVSS Metrics
- Vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Attack Vector
- network
- Complexity
- low
- Privileges
- none
- User Action
- required
- Scope
- changed
- Confidentiality
- low
- Integrity
- low
- Availability
- none
- Weaknesses
- CWE-93
Metadata
- Primary Vendor
- OPENVPN
- Published
- 5/26/2017
- Last Modified
- 4/20/2025
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
openvpn : openvpn_access_server
AI-Powered Remediation
Generate remediation guidance or a C-suite brief for this vulnerability.