CVE-2021-32986 — Automation Direct CLICK PLC CPU Modules Authentication Bypass Using an Alternate Path or Channel
After Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 is unlocked by an authorized user, the unlocked state does not timeout. If the programming…
Published: 2022-04-04 · CVSS: 9.8 · CVSS 3.1
After Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 is unlocked by an authorized user, the unlocked state does not timeout. If the programming software is interrupted, the PLC remains unlocked. All subsequent programming connections are allowed without authorization. The PLC is only relocked by a power cycle, or when the programming software disconnects correctly.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7