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TI-2017-03803 Aliases CVE-2017-5868GHSA-c9j2-xr8m-5hh8

CRLF injection vulnerability in the web interface in OpenVPN Access Server 2.1.4 allows…

Priority LOW 35CWE-93Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

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__/.

Why it matters now

EPSS 0.04622 91st percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:openvpn:openvpn_access_server:2.1.4:*:*:*:*:*:*:*2.1.4VulnerableOpenVPN
  • cpe:2.3:a:openvpn:openvpn_access_server:2.1.4:*:*:*:*:*:*:* Versions 2.1.4 Vulnerable ·OpenVPN

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-5868
  2. 2026-10-03 Alias added: GHSA-c9j2-xr8m-5hh8

References

Exploit 2

  • TI-2023-25309 Use after free in OpenVPN 2 CVSS 3.1CRITICAL 9.8
  • TI-2020-07187 OpenVPN Access Server 2.8.x before 2.8.1 allows LDAP authentication bypass (except when a… CVSS 3.1CRITICAL 9.8
  • TI-2006-01578 OpenVPN 2.0 through 2.0.5 allows remote malicious servers to execute arbitrary code on… CVSS 2.0HIGH 9.0
  • TI-2023-25308 Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to… CVSS 3.1HIGH 7.5
  • TI-2005-03217 Format string vulnerability in the foreign_option function in options.c for OpenVPN 2.0.x… CVSS 2.0HIGH 7.5
  • TI-2025-02715 OpenVPN Access Server 2.7.2 through 3.1.0 accepts bare line-feed sequences inside HTTP… CVSS 4.0MEDIUM 6.9
See all 20 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences