CVE-2021-23023

7.8 highEPSS 0.3%

High (7.8) in f5 big-ip access policy manager. EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.8 high

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 22% of CVEs (scores of 2026-10-31)
CWE: CWE-427
Published: 2021-06-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

f5:big-ip_access_policy_manager

References

https://support.f5.com/csp/article/K33757590
https://support.f5.com/csp/article/K33757590

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