CVE-2021-45347 json
An Incorrect Access Control vulnerability exists in zzcms 8.2, which lets a malicious user bypass authentication by changing the user name…
published 2022-02-14 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-32120
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
An Incorrect Access Control vulnerability exists in zzcms 8.2, which lets a malicious user bypass authentication by changing the user name in the cookie to use any password.
Exploit prediction
1.17% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/forget-code/zzcms/issues/2 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
github.com
/forget-code/zzcms/issues/2
exploit, issue-tracking, third-party-advisory
Sources
- CVE List CVE-2021-45347
- NVD CVE-2021-45347
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