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CVE-2021-23023

HIGHCVSS 7.8/10EPSS 0.30%

Last modified

CVE-2021-23023 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. On version 7.2.1.x before 7.2.1.3 and 7.1.x before 7.1.9.9 Update 1, a DLL hijacking issue exists in cachecleaner.dll included in the BIG-IP Edge Client Windows Installer. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

Description

On version 7.2.1.x before 7.2.1.3 and 7.1.x before 7.1.9.9 Update 1, a DLL hijacking issue exists in cachecleaner.dll included in the BIG-IP Edge Client Windows Installer. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Metrics

CVSS 3.1
7.8/10

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

EPSS Probability
0.30%

21.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
F5Big-Ip Access Policy Manager>= 7.1.6, <= 7.1.9.9
F5Big-Ip Access Policy Manager>= 7.2.1, < 7.2.1.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-23023?
On version 7.2.1.x before 7.2.1.3 and 7.1.x before 7.1.9.9 Update 1, a DLL hijacking issue exists in cachecleaner.dll included in the BIG-IP Edge Client Windows Installer. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
How severe is CVE-2021-23023?
CVE-2021-23023 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.
How do I fix CVE-2021-23023?
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-2021-23023?

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

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Source: NVD / NIST