Vulnerability Report

CVE-2017-5868

Title: Openvpn Openvpn Access Server

Other

Proof Of Concept

No public PoC currently indexed for CVE-2017-5868.

CWE Category CWE-93

Published Date May 26, 2017

Modified Date Jun 17, 2026

Exploit Status Not Found

Score 6.1 CVSS v3.0

Exploit Probability (EPSS)

4.62%

Vulnerability Summary

CVE-2017-5868: 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__/.

Impacted Vendors

openvpn 1

Reference Links

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

CVSS v3.0

Source Entity [email protected]

Severity MEDIUM

6.1

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

CHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

4.3

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:N/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns