What’s Vulnerable › Vulnerabilities

CVE-2021-23040

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-09-14 · updated 2026-06-17
• Weakness: CWE-89

Description

On BIG-IP AFM version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.4.2, 13.1.x before 13.1.4.1, and all versions of 12.1.x, a SQL injection vulnerability exists in an undisclosed page of the BIG-IP Configuration utility. This issue is exposed only when BIG-IP AFM is provisioned. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

• BIG-IP: from 12.1.0 through 12.1.6; from 13.1.0 before 13.1.4.1; from 14.1.0 before 14.1.4.2; from 15.1.0 before 15.1.3; from 16.0.0 before 16.0.1.2 — fixed in 13.1.4.1, 14.1.4.2, 15.1.3, 16.0.1.2

How to fix

Upgrade to a fixed version: BIG-IP 13.1.4.1, 14.1.4.2, 15.1.3, 16.0.1.2. Check the vendor advisory for mitigations.

References

• https://support.f5.com/csp/article/K94255403
• https://support.f5.com/csp/article/K94255403

Get alerted when CVE-2021-23040 or the next vulnerability affects your stack