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CVE-2021-32984

CRITICALCVSS 9.8/10EPSS 1.07%

Last modified

CVE-2021-32984 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.07% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.07%

60.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AutomationdirectC0-10dd1e-D Firmware< 3.00
AutomationdirectC0-10dd2e-D Firmware< 3.00
AutomationdirectC0-10dre-D Firmware< 3.00
AutomationdirectC0-10are-D Firmware< 3.00
AutomationdirectC0-11dd1e-D Firmware< 3.00
AutomationdirectC0-11dd2e-D Firmware< 3.00
AutomationdirectC0-11dre-D Firmware< 3.00
AutomationdirectC0-11are-D Firmware< 3.00
AutomationdirectC0-12dd1e-D Firmware< 3.00
AutomationdirectC0-12dd2e-D Firmware< 3.00
AutomationdirectC0-12dre-D Firmware< 3.00
AutomationdirectC0-12are-D Firmware< 3.00
AutomationdirectC0-12dd1e-1-D Firmware< 3.00
AutomationdirectC0-12dd2e-1-D Firmware< 3.00
AutomationdirectC0-12dre-1-D Firmware< 3.00
AutomationdirectC0-12are-1-D Firmware< 3.00
AutomationdirectC0-12dd1e-2-D Firmware< 3.00
AutomationdirectC0-12dd2e-2-D Firmware< 3.00
AutomationdirectC0-12dre-2-D Firmware< 3.00
AutomationdirectC0-12are-2-D Firmware< 3.00

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-32984?
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.
How severe is CVE-2021-32984?
CVE-2021-32984 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.07% probability of exploitation in the next 30 days.
How do I fix CVE-2021-32984?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-32984?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST