Exploitation Summary
CVE-2017-5868 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.
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__/.
Nuclei Templates (1)
OpenVPN Access Server 2.1.4 - CRLF Injection
MEDIUMby ritikchaddha
Shodan:
cpe:"cpe:2.3:a:openvpn:openvpn_access_server"
References (3)
Core 3
Core References
Exploit, Mitigation, Third Party Advisory x_refsource_misc
https://sysdream.com/news/lab/2017-05-05-cve-2017-5868-openvpn-access-server-crlf-injection-with-session-fixation/
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1038547
Exploit, Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2017/05/23/13
Scores
CVSS v3
6.1
EPSS
0.0462
EPSS Percentile
90.5%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Details
CWE
CWE-93
Status
published
Products (1)
openvpn/openvpn_access_server
2.1.4
Published
May 26, 2017
Tracked Since
Feb 18, 2026