Critical severity9.8NVD Advisory· Published Apr 4, 2022· Updated Jun 17, 2026
CVE-2021-32980
CVE-2021-32980
Description
Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 does not protect against additional software programming connections. An attacker can connect to the PLC while an existing connection is already active.
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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