CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NCVE-2021-32978
High (7.5) in automationdirect. EPSS 1.0% chance of exploitation in the next 30 days.
The programming protocol allows for a previously entered password and lock state to be read by an attacker. If the previously entered password was successful, the attacker can then use the password to unlock Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00.
Severity
- EPSS
- 1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-522, CWE-256
- Published
- Modified
- Record from
- the NVD, synced
Affected
- automationdirect:c0-10are-d_firmware
- automationdirect:c0-10dd1e-d_firmware
- automationdirect:c0-10dd2e-d_firmware
- automationdirect:c0-10dre-d_firmware
- automationdirect:c0-11are-d_firmware
- automationdirect:c0-11dd1e-d_firmware
- automationdirect:c0-11dd2e-d_firmware
- automationdirect:c0-11dre-d_firmware
- automationdirect:c0-12are-1-d_firmware
- automationdirect:c0-12are-2-d_firmware
- automationdirect:c0-12are-d_firmware
- automationdirect:c0-12dd1e-1-d_firmware
- automationdirect:c0-12dd1e-2-d_firmware
- automationdirect:c0-12dd1e-d_firmware
- automationdirect:c0-12dd2e-1-d_firmware
- automationdirect:c0-12dd2e-2-d_firmware
- automationdirect:c0-12dd2e-d_firmware
- automationdirect:c0-12dre-1-d_firmware
- automationdirect:c0-12dre-2-d_firmware
- automationdirect:c0-12dre-d_firmware