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CVE-2017-5868

Published: May 25, 2017Updated: May 13, 2026 Sources: CVE List NVDCWE-93
NVD MITRE
6.1CVSSMEDIUM
EPSS Score
4.6%
Top 9.5%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Workaround Only
Am I actually vulnerable?1 Nuclei template available — see how to check your systems. How to verify

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 Vector Breakdown

AV:NAC:LPR:NUI:RS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-93

Affected Products

openvpn access serveropenvpn
On-premNetwork Device
Networking Infrastructure / vpn-gateway
n/an/a
openvpnoss-projectUSNetworking Infrastructureaka openvpn access server, connect

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Workaround Available

References

http://www.openwall.com/lists/oss-security/2017/05/23/13
openwall.com
http://www.securitytracker.com/id/1038547
securitytracker.com
https://sysdream.com/news/lab/2017-05-05-cve-2017-5868-openvpn-access-server-crlf-injection-with-session-fixation/
sysdream.com

Timeline

Published
May 25, 2017
Last Updated
May 13, 2026

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