CVE-2026-65639

OS command injection in the advanced-rule parser of ConfigServer Security & Firewall allows a remote attacker who controls a configured allow/deny feed to execute arbitrary commands as root, due to insufficient validation of feed-supplied rule data. The vulnerability affects versions of the...

CVE-2026-65638

Improper escaping of a request URL in ConfigServer Security & Firewall allows an unauthenticated remote attacker to execute arbitrary commands as the CSF service account via shell command injection. The vulnerability affects versions of the software originally distributed by ConfigServer, as well...

CVE-2026-65638

ConfigServer Security & Firewall (CSF) is vulnerable to shell command injection due to improper escaping of a request URL. An unauthenticated remote attacker can exploit this to execute arbitrary commands as the CSF service account. The CVSS 4.0 score is 9.2 (Critical) with a network attack vecto...

CVE-2026-65639

OS command injection in the advanced-rule parser of ConfigServer Security & Firewall allows a remote attacker who controls a configured allow/deny feed to execute arbitrary commands as root, due to insufficient validation of feed-supplied rule data. The vulnerability affects versions of the...

PT-2026-89493

OS command injection in the advanced-rule parser of ConfigServer Security & Firewall allows a remote attacker who controls a configured allow/deny feed to execute arbitrary commands as root, due to insufficient validation of feed-supplied rule data. The vulnerability affects versions of the...

CVE-2026-67402

An insecure Apache configuration in ConfigServer Security & Firewall maps /usr/bin as CGI programs through the Messenger v3 HTTPS virtual host. A remote unauthenticated attacker whose address is blocked can request a mapped executable and run arbitrary commands as the Apache user. The vulnerabili...

CVE-2026-67402

An insecure Apache configuration in ConfigServer Security & Firewall (CSF) by WebPros maps /usr/bin as CGI programs through the Messenger v3 HTTPS virtual host . A remote unauthenticated attacker whose address is blocked by CSF can request a mapped executable and run arbitrary commands as the Apa...

PT-2026-85316

Name of the Vulnerable Software and Affected Versions ConfigServer Security & Firewall versions prior to 16.31 Description An insecure Apache configuration maps /usr/bin as CGI Common Gateway Interface programs through the Messenger v3 HTTPS virtual host. This allows a remote unauthenticated...

EUVD-2011-4938

Malware in sbrugna...

CVE-2011-5033

Stack-based buffer overflow in CFS.c in ConfigServer Security & Firewall CSF before 5.43, when running on a DirectAdmin server, allows local users to cause a denial of service crash via a long string in an admin.list file...

Stack overflow

Stack-based buffer overflow in CFS.c in ConfigServer Security & Firewall CSF before 5.43, when running on a DirectAdmin server, allows local users to cause a denial of service crash via a long string in an admin.list file...

CVE-2011-5033

ConfigServer Security & Firewall (CSF) contains a stack-based buffer overflow in CFS.c affecting CSF before 5.43 when run on a DirectAdmin server. Local users can crash the service by supplying a long string in the admin.list file, per CVE-2011-5033. The vulnerability details are supported by mul...