SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-32984

All programming connections receive the same unlocked privileges, which can result in a privilege escalation.

CRITICAL 9.8EPSS 1.11%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.11%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

All programming connections receive the same unlocked privileges, which can result in a privilege escalation. During the time Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 is unlocked by an authorized user, an attacker can connect to the PLC and read the project without authorization.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.11% probability · 64th percentile
CISA KEV
Not listed
Weakness
CWE-288, CWE-287
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

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.