CVE-2019-6636

Severity: high (CVSS 8.4 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-07-03 · updated 2026-06-17
Weakness: CWE-79

Description

On BIG-IP (AFM, ASM) 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.1.4, 12.1.0-12.1.4, and 11.5.1-11.6.4, a stored cross-site scripting vulnerability in AFM feed list. In the worst case, an attacker can store a CSRF which results in code execution as the admin user. The level of user role which can perform this attack are resource administrator and administrator.

Affected products

BIG-IP: from 12.0.0 before 12.1.4.1; from 13.0.0 before 13.1.1.5; from 14.0.0 before 14.0.0.5; from 14.1.0 before 14.1.0.6 — fixed in 12.1.4.1, 13.1.1.5, 14.0.0.5, 14.1.0.6
BIG-IP ASM: from 12.0.0 before 12.1.4.1; from 13.0.0 before 13.1.1.5; from 14.0.0 before 14.0.0.5; from 14.1.0 before 14.1.0.6 — fixed in 12.1.4.1, 13.1.1.5, 14.0.0.5, 14.1.0.6

How to fix

Upgrade to a fixed version: BIG-IP 12.1.4.1, 13.1.1.5, 14.0.0.5, 14.1.0.6; BIG-IP ASM 12.1.4.1, 13.1.1.5, 14.0.0.5, 14.1.0.6. Check the vendor advisory for mitigations.

References

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