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Vulnerability record · CVE-2021-30461 · published 29 May 2021

CVE-2021-30461: Voipmonitor code injection vulnerability

Voipmonitor · Voipmonitor

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.

9.8 CVSS 3.1 Critical EPSS 37% · top 1.5% CWE-94 · Code injection
9.8CVSS 3.1 base score, v2 7.5
37%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://ssd-disclosure.com/ssd-advisory--voipmonitor-unauth-rce ExploitThird Party Advisory
https://ssd-disclosure.com/ssd-advisory--voipmonitor-unauth-rce ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-30461), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.