CVE-2021-32984 (GCVE-0-2021-32984)
Vulnerability from cvelistv5 – Published: 2022-04-04 19:45 – Updated: 2025-04-16 16:31
VLAI
EPSS
VEX
Title
Automation Direct CLICK PLC CPU Modules Authentication Bypass Using an Alternate Path or Channel
Summary
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.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-16 15:56 UTC
CWE
- CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
icscert
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsa-2… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Automation Direct | CLICK PLC CPU Modules: C0-1x CPUs |
Affected:
unspecified , < 3.00
(custom)
|
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