cve.bz

CVE-2021-32986

9.8 criticalEPSS 1.1%

Critical (9.8) in automationdirect. EPSS 1.1% chance of exploitation in the next 30 days.

After Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 is unlocked by an authorized user, the unlocked state does not timeout. If the programming software is interrupted, the PLC remains unlocked. All subsequent programming connections are allowed without authorization. The PLC is only relocked by a power cycle, or when the programming software disconnects correctly.

Severity

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.1% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-10-31)
CWEs
CWE-863, CWE-288
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON