CVE-2000-0733

CVE-2000-0733 describes a critical format string vulnerability in the Telnetd server within SGI IRIX operating systems, specifically versions 5.2 through 6.1. This flaw allows unauthenticated remote attackers to execute arbitrary commands by injecting malicious format strings into the RLD variable during an IAC-SB-TELOPT_ENVIRON request. With a CVSS score of 10.0 (Critical), this vulnerability presents a severe risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While not listed on the KEV catalog, an ExploitDB entry exists, indicating public exploit code availability, though there is no evidence of active exploitation or significant community discussion.