CVE-2021-36697 json
With an admin account, the .htaccess file in Artica Pandora FMS <=755 can be overwritten with the File Manager component.
published 2021-11-03 5 y ago modified 2026-07-09 4 mo ago also EUVD-2021-23292
- cvss
- 6.7
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 25%
- public exploits
- 0
- none known
Summary
With an admin account, the .htaccess file in Artica Pandora FMS <=755 can be overwritten with the File Manager component. The new .htaccess file contains a Rewrite Rule with a type definition. A normal PHP file can be uploaded with this new "file type" and the code can be executed with an HTTP request.
Exploit prediction
0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- k4m1ll0.com https://k4m1ll0.com/chained_exploit_htaccess.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component
References
-
k4m1ll0.com
/chained_exploit_htaccess.html
exploit, third-party-advisory
Sources
- CVE List CVE-2021-36697
- NVD CVE-2021-36697
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