What’s Vulnerable › Vulnerabilities
CVE-2021-23023
- Severity: high (CVSS 7.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-06-10 · updated 2026-06-17
- Weakness: CWE-427
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.
Affected products
- F5 BIG-IP APM: from 7.1.6 through 7.1.9.9; from 7.2.1 before 7.2.1.3 — fixed in 7.2.1.3
How to fix
Upgrade to a fixed version: F5 BIG-IP APM 7.2.1.3. Check the vendor advisory for mitigations.
References
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