CVE-2021-32986
Summary
| CVE | CVE-2021-32986 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2022-04-04 20:15:00 UTC |
| Updated | 2022-10-25 19:40:00 UTC |
| Description | 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. |
Risk And Classification
Problem Types: CWE-863
NVD Known Affected Configurations (CPE 2.3)
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Automation Direct CLICK PLC CPU Modules | CISA | CONFIRM | www.cisa.gov | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
LEGACY: Irfan Ahmed and Adeen Ayub of Virginia Commonwealth University and Hyunguk Yoo of the University of New Orleans reported these vulnerabilities to Automation Direct.
Legacy QID Mappings
- 591289 Automation Direct CLICK PLC CPU Modules Unprotected Storage of Credentials Multiple Vulnerabilities (ICSA-21-166-02)