Description
In Open Ticket Request System (OTRS) 3.3.x before 3.3.18, 4.x before 4.0.25, and 5.x before 5.0.23, remote authenticated users can leverage statistics-write permissions to gain privileges via code injection.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 11 | otrs2 | 5.0.23-1 | — |
| Debian 9 | otrs2 | 5.0.16-1+deb9u2 | DSA-4021-1 |
| Debian 8 | otrs2 | 3.3.18-1+deb8u1 | DSA-4021-1 |
| Debian 7 | otrs2 | 3.3.18-1~deb7u1 | DLA-1119-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | otrs2 | No fix yet | — |
Advisories 2
- DSA-4021-1 otrs2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1119-1 otrs2 - security update Debian Security (DSA / DLA) · Mar 9, 2026