What’s Vulnerable › Vulnerabilities

CVE-2021-22983

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-12 · updated 2026-06-17
• Weakness: CWE-79

Description

On BIG-IP AFM version 15.1.x before 15.1.1, 14.1.x before 14.1.3.1, and 13.1.x before 13.1.3.5, authenticated users accessing the Configuration utility for AFM are vulnerable to a cross-site scripting attack if they attempt to access a maliciously-crafted URL. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

Affected products

• BIG-IP: from 13.1.0 before 13.1.3.5; from 14.1.0 before 14.1.3.1; from 15.1.0 before 15.1.1 — fixed in 13.1.3.5, 14.1.3.1, 15.1.1

How to fix

Upgrade to a fixed version: BIG-IP 13.1.3.5, 14.1.3.1, 15.1.1. Check the vendor advisory for mitigations.

References

• https://support.f5.com/csp/article/K76518456
• https://support.f5.com/csp/article/K76518456

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