CVE-2021-32982
Automation Direct CLICK PLC CPU Modules Cleartext Transmission of Sensitive Information
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Automation Direct CLICK PLC CPU Modules Cleartext Transmission of Sensitive Information
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.
- Record
CVE-2021-32982- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-319
- Updated
- 2026-11-02
EUVDEUVD-2021-19703
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.
- Record
EUVD-2021-19703- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-qf82-v8c9-p3px
Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 passwords are...
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.
- Record
GHSA-qf82-v8c9-p3px- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-319
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-32982- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-319
- Updated
- 2026-11-02
Affected products
- automation direct click plc cpu modules: c0-1x cpus
- 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
Show 9 moreShow less
- 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
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-32982 is a high vulnerability (CVSS 7.5) in Automation Direct Click Plc Cpu Modules: C0-1x Cpus, published April 4, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.65%, the 51st percentile. No source names a fixed version.