High severity · published Apr 4, 2022
CVE-2021-32982
Automation Direct CLICK PLC CPU Modules Cleartext Transmission of Sensitive Information
7.5
CVSS
0.7%
EPSS
No
On KEV
Description
Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 passwords are sent as plaintext during unlocking and project transfers. An attacker who has network visibility can observe the password exchange.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CP
CLICK PLC CPU Modules: C0-1x CPUs · Automation Direct
before 3.00 · source: vendor
CF
C0-10are-d Firmware · Automationdirect
before 3.00 · source: NVD
CF
C0-10dd1e-d Firmware · Automationdirect
before 3.00 · source: NVD
CF
C0-10dd2e-d Firmware · Automationdirect
before 3.00 · source: NVD
CF
C0-10dre-d Firmware · Automationdirect
before 3.00 · source: NVD
CF
C0-11are-d Firmware · Automationdirect
before 3.00 · source: NVD
CF
C0-11dd1e-d Firmware · Automationdirect
before 3.00 · source: NVD
CF
C0-11dd2e-d Firmware · Automationdirect
before 3.00 · source: NVD
CF
C0-11dre-d Firmware · Automationdirect
before 3.00 · source: NVD
CF
C0-12are-1-d Firmware · Automationdirect
before 3.00 · source: NVD
CF
C0-12are-2-d Firmware · Automationdirect
before 3.00 · source: NVD
CF
C0-12are-d Firmware · Automationdirect
before 3.00 · source: NVD
Affected product
CP
CLICK PLC CPU Modules: C0-1x CPUs
Automation Direct
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-32982
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-32982
Third Party Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-166-02
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