Critical severity9.8NVD Advisory· Published Apr 4, 2022· Updated Jun 17, 2026
CVE-2021-32984
CVE-2021-32984
Description
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.
Affected products
22- cpe:2.3:o:automationdirect:c0-10are-d_firmware:*:*:*:*:*:*:*:*Range: <3.00
- cpe:2.3:o:automationdirect:c0-10dd1e-d_firmware:*:*:*:*:*:*:*:*Range: <3.00
- cpe:2.3:o:automationdirect:c0-10dd2e-d_firmware:*:*:*:*:*:*:*:*Range: <3.00
- cpe:2.3:o:automationdirect:c0-10dre-d_firmware:*:*:*:*:*:*:*:*Range: <3.00
- cpe:2.3:o:automationdirect:c0-11are-d_firmware:*:*:*:*:*:*:*:*Range: <3.00
- cpe:2.3:o:automationdirect:c0-11dd1e-d_firmware:*:*:*:*:*:*:*:*Range: <3.00
- cpe:2.3:o:automationdirect:c0-11dd2e-d_firmware:*:*:*:*:*:*:*:*Range: <3.00
- cpe:2.3:o:automationdirect:c0-11dre-d_firmware:*:*:*:*:*:*:*:*Range: <3.00
- cpe:2.3:o:automationdirect:c0-12are-1-d_firmware:*:*:*:*:*:*:*:*Range: <3.00
- cpe:2.3:o:automationdirect:c0-12are-2-d_firmware:*:*:*:*:*:*:*:*Range: <3.00
- cpe:2.3:o:automationdirect:c0-12are-d_firmware:*:*:*:*:*:*:*:*Range: <3.00
- cpe:2.3:o:automationdirect:c0-12dd1e-1-d_firmware:*:*:*:*:*:*:*:*Range: <3.00
- cpe:2.3:o:automationdirect:c0-12dd1e-2-d_firmware:*:*:*:*:*:*:*:*Range: <3.00
- cpe:2.3:o:automationdirect:c0-12dd1e-d_firmware:*:*:*:*:*:*:*:*Range: <3.00
- cpe:2.3:o:automationdirect:c0-12dd2e-1-d_firmware:*:*:*:*:*:*:*:*Range: <3.00
- cpe:2.3:o:automationdirect:c0-12dd2e-2-d_firmware:*:*:*:*:*:*:*:*Range: <3.00
- cpe:2.3:o:automationdirect:c0-12dd2e-d_firmware:*:*:*:*:*:*:*:*Range: <3.00
- cpe:2.3:o:automationdirect:c0-12dre-1-d_firmware:*:*:*:*:*:*:*:*Range: <3.00
- cpe:2.3:o:automationdirect:c0-12dre-2-d_firmware:*:*:*:*:*:*:*:*Range: <3.00
- cpe:2.3:o:automationdirect:c0-12dre-d_firmware:*:*:*:*:*:*:*:*Range: <3.00
<v3.00+ 1 more
- (no CPE)range: <v3.00
- (no CPE)range: unspecified
Patches
Vulnerability mechanics
References
1- www.cisa.gov/uscert/ics/advisories/icsa-21-166-02nvdThird Party AdvisoryUS Government Resource
News mentions
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