F5-K000159607: High severity F5 BIG-IQ Centralized Management vulnerability

Published Jan 22, 2026
·
Updated

An interpretation-conflict (CWE-436) vulnerability in node-forge versions 1.3.1 and earlier enables unauthenticated attackers to craft ASN.1 structures to desynchronize schema validations, yielding a semantic divergence that may bypass downstream cryptographic verifications and security decisions.

Affected Software

1 affected component
F5 BIG-IQ Centralized Management>=8.3.0<=8.4.0

Event History

Jan 22, 2026
Advisory Published
via F5·09:27 PM
Data Sourced
via F5·09:27 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of F5-K000159607?

F5-K000159607 is classified as a critical vulnerability due to its potential to allow unauthenticated attackers to bypass cryptographic verifications.

2

How do I fix F5-K000159607?

To fix F5-K000159607, upgrade node-forge to a version later than 1.3.1 and ensure your software is updated to the latest version of F5 BIG-IQ Centralized Management.

3

What versions of F5 BIG-IQ Centralized Management are affected by F5-K000159607?

F5-K000159607 affects F5 BIG-IQ Centralized Management versions 8.3.0 to 8.4.0 inclusive.

4

Who can be affected by F5-K000159607?

Unauthenticated attackers can exploit F5-K000159607 to manipulate ASN.1 structures and potentially compromise security.

5

What security risks are associated with F5-K000159607?

The security risks associated with F5-K000159607 include unauthorized bypassing of cryptographic verifications and potential data integrity issues.

Contact

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