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CVE-2025-53521

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CVE-2025-53521

Published: Oct 15, 2025

Modified: Mar 31, 2026

PUBLISHED

CVSS v3.1

9.8

CRITICAL

Description

When a BIG-IP APM access policy is configured on a virtual server, specific malicious traffic can lead to Remote Code Execution (RCE).   Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

VendorProductVersions

F5

BIG-IP

affected
17.5.0 - < 17.5.1.3
affected
17.1.0 - < 17.1.3
affected
16.1.0 - < 16.1.6.1
affected
15.1.0 - < 15.1.10.8

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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