CVE-2020-21321 json
emlog v6.0 contains a Cross-Site Request Forgery (CSRF) via /admin/link.php?action=addlink, which allows attackers to arbitrarily add artic…
published 2021-09-15 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-14094
- cvss
- 4.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 45%
- public exploits
- 0
- none known
Summary
emlog v6.0 contains a Cross-Site Request Forgery (CSRF) via /admin/link.php?action=addlink, which allows attackers to arbitrarily add articles.
Exploit prediction
0.54% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/emlog/emlog/issues/50 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
References
-
github.com
/emlog/emlog/issues/50
exploit, issue-tracking, third-party-advisory
Sources
- CVE List CVE-2020-21321
- NVD CVE-2020-21321
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.