Auth bypass in Zzcms
CVE-2021-45347
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.012 (66.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Zzcms — versions 8.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/forget-code/zzcms/issues/2 (Exploit, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2021-45347?
- CVE-2021-45347 is a high-severity vulnerability in Zzcms, classified under Improper Authentication. CVSS score: 7.5/10. Published 2022-02-14.
- How severe is CVE-2021-45347?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-45347 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.