CVE-2021-32982 json
Automation Direct CLICK PLC CPU Modules Cleartext Transmission of Sensitive Information
published 4y ago modified 4mo ago also EUVD-2021-19703
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Automation Direct CLICK PLC CPU Modules: C0-1x CPUs 3.00
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cisa ICSA-21-166-02 updated cvss 7.5
Automation Direct CLICK PLC CPU Modules
-
Automation Direct CLICK PLC CPU Modules <v3.00affected: mitigation “Automation Direct reports these vulnerabilities are all mitigated by Version 3.00 and recommends users update software and firmware to the latest version.” automationdirect.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- Automation Direct CLICK PLC CPU Modules: C0-1x CPUs
Classification
- Weakness
-
- CWE-319 Cleartext Transmission of Sensitive Information
References
-
cisa.gov
/uscert/ics/advisories/icsa-21-166-02
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2021-32982
- NVD CVE-2021-32982
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