CVE-2020-28672 in the critical feed json
MonoCMS Blog 1.0 is affected by incorrect access control that can lead to remote arbitrary code execution.
published 2021-01-07 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-21070
- cvss
- 7.2
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 12.1%
- EPSS 12.1% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known
Summary
MonoCMS Blog 1.0 is affected by incorrect access control that can lead to remote arbitrary code execution. At monofiles/category.php:27, user input can be saved to category/[foldername]/index.php causing RCE.
Exploit prediction
12.14% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/fortest-1/vuln/blob/main/MonoCMS%20Blog/MonoCMS%20Blog%201.0_remote_code_execution.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C |
References
-
github.com
/fortest-1/vuln/blob/main/MonoCMS%20Blog/MonoCMS%20Blog%201.0_remote_code_execution.md
exploit, third-party-advisory
Sources
- CVE List CVE-2020-28672
- NVD CVE-2020-28672
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.