CVE-2021-30461 in the critical feed json
A remote code execution issue was discovered in the web UI of VoIPmonitor before 24.61.
published 2021-05-29 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-17386
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 36.6%
- EPSS 36.6% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
A remote code execution issue was discovered in the web UI of VoIPmonitor before 24.61. When the recheck option is used, the user-supplied SPOOLDIR value (which might contain PHP code) is injected into config/configuration.php.
Patch / fix
- voipmonitor voipmonitor 24.61
Exploit prediction
36.63% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template VoipMonitor <24.61 - Remote Code Execution nuclei detection template
- ssd-disclosure.com https://ssd-disclosure.com/ssd-advisory--voipmonitor-unauth-rce 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-94 Improper Control of Generation of Code
References
-
ssd-disclosure.com
/ssd-advisory--voipmonitor-unauth-rce
exploit, third-party-advisory
Sources
- CVE List CVE-2021-30461
- NVD CVE-2021-30461
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.