CVE-2021-32982
An attacker who has network visibility can observe the password exchange.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.65%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.65% probability · 51th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-319
- Affected
- automationdirect/c0-10dd1e-d firmware · automationdirect/c0-10dd2e-d firmware · automationdirect/c0-10dre-d firmware · automationdirect/c0-10are-d firmware · automationdirect/c0-11dd1e-d firmware · automationdirect/c0-11dd2e-d firmware · automationdirect/c0-11dre-d firmware · automationdirect/c0-11are-d firmware · automationdirect/c0-12dd1e-d firmware · automationdirect/c0-12dd2e-d firmware · automationdirect/c0-12dre-d firmware · automationdirect/c0-12are-d firmware · automationdirect/c0-12dd1e-1-d firmware · automationdirect/c0-12dd2e-1-d firmware · automationdirect/c0-12dre-1-d firmware · automationdirect/c0-12are-1-d firmware · automationdirect/c0-12dd1e-2-d firmware · automationdirect/c0-12dd2e-2-d firmware · automationdirect/c0-12dre-2-d firmware · automationdirect/c0-12are-2-d firmware
- Source
- ics-cert@hq.dhs.gov
EPSS 0.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-166-02Third Party Advisory, US Government Resource
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-166-02Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.