CVE-2021-32986

 

Published at: - 04-04-2022 10:15

Last modified: - 25-10-2022 09:40

Total changes: - 4

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

 

Verification logic

 

Reference

• https://www.cisa.gov/uscert/ics/advisories/icsa-21-166-02

 

Keywords

NVD

 

CVE-2021-32986

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures