Description
When an agent user is renamed or set to invalid the session belonging to the user is keept active. The session can not be used to access ticket data in the case the agent is invalid. This issue affects ((OTRS)) Community Edition: 6.0.28 and prior versions. OTRS: 7.0.18 and prior versions, 8.0.4. and prior versions.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| OTRS | ((OTRS)) Community Edition | 6.0.x – ≤ 6.0.28 | — |
| OTRS | OTRS | 7.0.x – ≤ 7.0.18, 8.0.x – ≤ 8.0.4 | — |
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 | 6.0.29-1 | — |
| Debian 10 | otrs2 | 6.0.16-2+deb10u1 | DLA-3551-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | otrs2 | No fix yet | — |
| Ubuntu 18.04 LTS | otrs2 | No fix yet | — |
| Ubuntu 16.04 LTS | otrs2 | No fix yet | — |
Advisories 2
- DLA-3551-1 otrs2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- WID-SEC-2023-2221 OTRS: Schwachstelle ermöglicht Offenlegung von Informationen BSI CERT-Bund (WID) · Aug 30, 2023