CVE-2020-29159 json
An issue was discovered in Zammad before 3.5.1.
published 2020-12-28 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-21539
- cvss
- 4.9
- version 3.1, NVD
- 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
An issue was discovered in Zammad before 3.5.1. The default signup Role (for newly created Users) can be a privileged Role, if configured by an admin. This behvaior was unintended.
Patch / fix
Exploit prediction
0.93% 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 |
|---|---|---|---|
| NVD | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
References
-
github.com
/zammad/zammad/commit/f0462d4c20c2968b52b5dc6a585f26c0409b4fc4
patch, third-party-advisory
-
zammad.com
/en/advisories/zaa-2020-22
vendor-advisory
Sources
- CVE List CVE-2020-29159
- NVD CVE-2020-29159
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.