CVE-2017-14021

CVE-2017-14021 is a critical vulnerability affecting multiple Korenix JetNet industrial switches, stemming from the use of hard-coded cryptographic keys. An attacker can exploit this flaw to access these keys and certificates, enabling them to conduct man-in-the-middle attacks. With a CVSS score of 9.8 (Critical), the vulnerability is easily exploitable over the network with low attack complexity, leading to high impacts on confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.