plugins/scmcvs/www/cvsweb.php in the CVSWeb CGI in GForge 4.5.16 before 20070524, aka gforge-plugin-scmcvs, allows remote attackers to execute arbitrary commands via shell metacharacters in the PATH_INFO.
https://exchange.xforce.ibmcloud.com/vulnerabilities/34510
http://www.vupen.com/english/advisories/2007/1942
http://www.securityfocus.com/bid/24141
http://www.debian.org/security/2007/dsa-1297
http://secunia.com/advisories/25416