CVE-2020-1776 json
Invalidating or changing user does not invalidate session
published 2020-07-20 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-12602
- cvss
- 3.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N |
| NVD | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Affected products
- OTRS AG ((OTRS)) Community Edition
- OTRS AG OTRS
Classification
- Weakness
-
- CWE-613 DEPRECATED: Insufficient Session Expiration
References
-
otrs.com
/release-notes/otrs-security-advisory-2020-13/
patch, vendor-advisory
-
lists.debian.org
/debian-lts-announce/2023/08/msg00040.html
mailing-list
Sources
- CVE List CVE-2020-1776
- NVD CVE-2020-1776
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