CVE-2017-14472

CVE-2017-14472 is a critical access control vulnerability affecting Allen Bradley Micrologix 1400 Series B FRN 21.2 and earlier. An unauthenticated attacker can send specially crafted packets to exploit this flaw, leading to sensitive information disclosure, modification of settings, or alteration of ladder logic. With a CVSS score of 9.8 (CRITICAL), the vulnerability is easily exploitable over the network with no user interaction, resulting in high impact to confidentiality, integrity, and availability. While no active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB) has been identified, its high EPSS score and FAUCET Risk Score indicate a significant potential for future exploitation, despite minimal community discussion or media coverage.