CVE-2017-5868

Name: CVE-2017-5868
Creator: NVD / NIST
Published: 2017-05-26T01:29:00.63+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.62%

Last modified Jun 17, 2026

CVE-2017-5868 is a vulnerability of currently unknown severity. 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__/.. EPSS estimates a 4.62% chance of exploitation in the next 30 days.

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__/.

Metrics

EPSS Probability

4.62%

90.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-93

Affected Software

Vendor	Product	Versions
Openvpn	Openvpn Access Server	2.1.4

References

http://www.openwall.com/lists/oss-security/2017/05/23/13Exploit, Mailing List, Third Party Advisory
http://www.securitytracker.com/id/1038547Third Party Advisory, VDB Entry
https://sysdream.com/news/lab/2017-05-05-cve-2017-5868-openvpn-access-server-crlf-injection-with-session-fixation/Exploit, Mitigation, Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/05/23/13Exploit, Mailing List, Third Party Advisory
http://www.securitytracker.com/id/1038547Third Party Advisory, VDB Entry
https://sysdream.com/news/lab/2017-05-05-cve-2017-5868-openvpn-access-server-crlf-injection-with-session-fixation/Exploit, Mitigation, Third Party Advisory

Timeline

Published: May 26, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-5868?

How severe is CVE-2017-5868?

Severity scoring for CVE-2017-5868 is pending analysis. The EPSS model estimates a 4.62% probability of exploitation in the next 30 days.

How do I fix CVE-2017-5868?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-5868?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST