CVE-2020-23426 json
zzcms 201910 contains an access control vulnerability through escalation of privileges in /user/adv.php, which allows an attacker to modify…
published 2021-04-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-16173
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.7%
- EPSS 3.7% chance of exploitation in 30 days, percentile 89%
- public exploits
- 0
- none known
Summary
zzcms 201910 contains an access control vulnerability through escalation of privileges in /user/adv.php, which allows an attacker to modify data for further attacks such as CSRF.
Exploit prediction
3.71% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/Ling-Yizhou/zzcms-vuln/blob/master/Privilege%20Escalation/priviege%20escalation.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
References
-
github.com
/Ling-Yizhou/zzcms-vuln/blob/master/Privilege%20Escalation/priviege%20escalation.md
exploit, third-party-advisory
Sources
- CVE List CVE-2020-23426
- NVD CVE-2020-23426
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