CVE-2021-20206

CVE-2021-20206 is an improper limitation of path name vulnerability in containernetworking/cni versions prior to 0.8.1, affecting the Linux Foundation Container Network Interface. This flaw allows authenticated attackers to use path traversal sequences in the network configuration's 'type' field to execute arbitrary binaries, including system commands like 'reboot'. With a CVSS score of 7.2 (HIGH), the vulnerability poses significant risks to confidentiality, integrity, and availability due to its low attack complexity and high impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.