CVE-2012-4076

CVE-2012-4076 describes a privilege escalation vulnerability in Cisco NX-OS, affecting various Cisco NX-OS products. This flaw allows authenticated local users to execute arbitrary commands by injecting shell metacharacters into specific commands that utilize the system library function. With a CVSS score of 6.8 (medium severity), successful exploitation requires local access and user authentication, but can lead to complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.