CVE-2021-27693 json
Server-side Request Forgery (SSRF) vulnerability in PublicCMS before 4.0.202011.b via /publiccms/admin/ueditor when the action is catchimag…
published 2022-09-02 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-14435
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 65%
- public exploits
- 0
- none known
Summary
Server-side Request Forgery (SSRF) vulnerability in PublicCMS before 4.0.202011.b via /publiccms/admin/ueditor when the action is catchimage.
Patch / fix
Exploit prediction
1.09% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/sanluan/PublicCMS/issues/51 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 |
Classification
- Weakness
-
- CWE-918 Server-Side Request Forgery
References
-
github.com
/sanluan/PublicCMS/commit/0f4c4872914b6a71305e121a7d9a19c07cde0338
patch, third-party-advisory
-
github.com
/sanluan/PublicCMS/issues/51
exploit, issue-tracking, third-party-advisory
Sources
- CVE List CVE-2021-27693
- NVD CVE-2021-27693
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.