Is CVE-2021-30461 actively exploited?

Yes. CVE-2021-30461 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2021-30461 be exploited remotely?

The attack vector of CVE-2021-30461 has not been classified yet.

What is the CVSS score of CVE-2021-30461?

CVE-2021-30461 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2021-30461

UNKNOWNCISA KEVIN THE WILD

CVE-2021-30461

Published: April 11, 2026

EPSS:93.38%probability of exploitation in 30 daysPercentile:99.8th

Official 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.

NVD Source

Technical Analysis

CVE-2021-30461 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2021-30461 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.