CVE-2020-6949 json
A privilege escalation issue was discovered in the postUser function in HashBrown CMS through 1.3.3.
published 2020-01-13 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-28090
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
A privilege escalation issue was discovered in the postUser function in HashBrown CMS through 1.3.3. An editor user can change the password hash of an admin user's account, or otherwise reconfigure that account.
Exploit prediction
1.28% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/HashBrownCMS/hashbrown-cms/issues/327 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-269 Improper Privilege Management
References
-
github.com
/HashBrownCMS/hashbrown-cms/issues/327
exploit, third-party-advisory
Sources
- CVE List CVE-2020-6949
- NVD CVE-2020-6949
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