CVE-2021-32984
CRITICALAutomation Direct CLICK PLC <v3.00 - Privilege Escalation
Title source: llmDescription
All programming connections receive the same unlocked privileges, which can result in a privilege escalation. During the time Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 is unlocked by an authorized user, an attacker can connect to the PLC and read the project without authorization.
References (1)
Core 1
Core References
Third Party Advisory, US Government Resource x_refsource_confirm
https://www.cisa.gov/uscert/ics/advisories/icsa-21-166-02
Scores
CVSS v3
9.8
EPSS
0.0104
EPSS Percentile
59.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-287
CWE-288
Status
published
Products (20)
automationdirect/c0-10are-d_firmware
< 3.00
automationdirect/c0-10dd1e-d_firmware
< 3.00
automationdirect/c0-10dd2e-d_firmware
< 3.00
automationdirect/c0-10dre-d_firmware
< 3.00
automationdirect/c0-11are-d_firmware
< 3.00
automationdirect/c0-11dd1e-d_firmware
< 3.00
automationdirect/c0-11dd2e-d_firmware
< 3.00
automationdirect/c0-11dre-d_firmware
< 3.00
automationdirect/c0-12are-1-d_firmware
< 3.00
automationdirect/c0-12are-2-d_firmware
< 3.00
... and 10 more
Published
Apr 04, 2022
Tracked Since
Feb 18, 2026