Main Vulnerability Database Vulnerabilities #VU104174

OS Command Injection in acmailer CGI and acmailer DB - CVE-2021-46686

Published: February 25, 2025

Vulnerability identifier: #VU104174

CSH Severity: High

CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-46686

CWE-ID: CWE-78

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

acmailer CGI
acmailer DB

How to mitigate CVE-2021-46686

Install updates from vendor's website.

acmailer CGI - update to 4.0.4
acmailer DB - update to 1.1.6

External References

Related Security Bulletins