What’s Vulnerable › Vulnerabilities

CVE-2021-23022

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% 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-732

Description

On version 7.2.1.x before 7.2.1.3 and 7.1.x before 7.1.9.9 Update 1, the BIG-IP Edge Client Windows Installer Service's temporary folder has weak file and folder permissions. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

• F5 BIG-IP APM: from 11.6.1 through 11.6.5; from 12.1.0 through 12.1.6
• F5 Networks, Inc. BIG-IP APM client for Windows: 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 Networks, Inc. BIG-IP APM client for Windows 7.2.1.3. Check the vendor advisory for mitigations.

References

• https://support.f5.com/csp/article/K08503505
• https://support.f5.com/csp/article/K08503505

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