Description
An attacker with the ability to generate session IDs or password reset tokens, either by being able to authenticate or by exploiting OSA-2020-09, may be able to predict other users session IDs, password reset tokens and automatically generated passwords. This issue affects ((OTRS)) Community Edition: 5.0.41 and prior versions, 6.0.26 and prior versions. OTRS; 7.0.15 and prior versions.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| OTRS | ((OTRS)) Community Edition | 5.0.41 and prior, 6.0.26 and prior | — |
| OTRS | OTRS | 7.0.15 and prior | — |
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 | 6.0.27-1 | — |
| 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 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP2 | otrs | 6.0.29-bp152.2.5.4 | openSUSE-SU-2020:1509-1, openSUSE-SU-2020:1475-1 |
| SUSE Package Hub 15 SP1 | otrs | 5.0.42-bp151.3.3.1 | openSUSE-SU-2020:1475-1, openSUSE-SU-2020:0551-1 |
| SUSE Package Hub 15 | otrs | 5.0.42-bp151.3.3.1 | openSUSE-SU-2020:0551-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.2 | otrs | 6.0.29-bp152.2.5.4 | openSUSE-SU-2020:1475-1 |
| openSUSE Leap 15.1 | otrs | 5.0.42-bp151.3.3.1 | openSUSE-SU-2020:1475-1, openSUSE-SU-2020:0551-1 |
Advisories 5
- DLA-3551-1 otrs2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2020:1509-1 Recommended update for otrs SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:0551-1 Recommended update for otrs SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1475-1 Recommended update for otrs SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-2223 OTRS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 30, 2023
References
- https://otrs.com/release-notes/otrs-security-advisory-2020-10/
- openSUSE-SU-2020:0551 vendor-advisory
- openSUSE-SU-2020:1475 vendor-advisory
- openSUSE-SU-2020:1509 vendor-advisory
- [debian-lts-announce] 20230831 [SECURITY] [DLA 3551-1] otrs2 security update mailing-list