CVE-2021-20039

CVE-2021-20039 has been observed exploited in the wild (reported by VulnCheck KEV, InTheWild.io). EIP tracks 1 public exploit from researchers including jbaines-r7, including a Metasploit module exploits/linux/http/sonicwall_cve_2021_20039.

AI-analyzed exploit summary This Metasploit module exploits an authenticated command injection vulnerability in SonicWall SMA 100 series web interface, allowing command execution as root. It uses a base64-encoded payload executed via Perl to bypass character restrictions.

Improper neutralization of special elements in the SMA100 management interface '/cgi-bin/viewcert' POST http method allows a remote authenticated attacker to inject arbitrary commands as a 'nobody' user. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.