Description
In Open Ticket Request System (OTRS) 3.3.x through 3.3.16, 4.x through 4.0.23, and 5.x through 5.0.19, an attacker with agent permission is capable of opening a specific URL in a browser to gain administrative privileges / full access. Afterward, all system settings can be read and changed. The URLs in question contain index.pl?Action=Installer with ;Subaction=Intro or ;Subaction=Start or ;Subaction=System appended at the end.
References (3)
Core 3
Core References
Vendor Advisory x_refsource_misc
https://www.otrs.com/security-advisory-2017-03-security-update-otrs-versions/
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2017/dsa-3876
Mailing List, Third Party Advisory, VDB Entry x_refsource_misc
https://packetstormsecurity.com/files/142862/OTRS-Install-Dialog-Disclosure.html
Scores
CVSS v3
8.8
EPSS
0.0235
EPSS Percentile
81.6%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-269
Status
published
Products (3)
debian/debian_linux
8.0
debian/debian_linux
9.0
otrs/otrs
3.3.0 - 3.3.16
Published
Jun 12, 2017
Tracked Since
Feb 18, 2026