K000159076: Quarterly Security Notification (February 2026)

Security Advisory Description On February 4, 2026, F5 announced the following security issues. This document is intended to serve as an overview of these vulnerabilities and security exposures to help determine the impact to your F5 devices. You can find the details of each issue in the associate...

CVE-2021-22993

On BIG-IP Advanced WAF and BIG-IP ASM versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.6, and 12.1.x before 12.1.5.3, DOM-based XSS on DoS Profile properties page. Note: Software versions which have reached End of Software Development EoSD are no...

CVE-2025-54858

When a BIG-IP Advanced WAF or BIG-IP ASM Security Policy is configured with a JSON content profile that has a malformed JSON schema, and the security policy is applied to a virtual server, undisclosed requests can cause the bd process to terminate. Note: Software versions which have reached End o...

CVE-2025-61935 BIG-IP Advanced WAF and ASM vulnerability

When a BIG IP Advanced WAF or ASM security policy is configured on a virtual server, undisclosed requests can cause the bd process to terminate. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2025-58474

CVE-2025-58474 affects BIG-IP BIG-IP Advanced WAF/ASM and NGINX App Protect DNS lookup vulnerability. When BIG-IP Advanced WAF is on a virtual server with SSRF protection or NGINX App Protect Bot Defense is used, undisclosed requests can disrupt new client requests, enabling potential DoS on the ...

EUVD-2021-10149

Malware in sbrugna...

EUVD-2020-27100

Malware in sbrugna...

EUVD-2021-10102

Malware in sbrugna...

EUVD-2021-10132

Malware in sbrugna...

EUVD-2021-10119

Malware in sbrugna...

EUVD-2021-10111

Malware in sbrugna...

EUVD-2021-10151

Malware in sbrugna...

EUVD-2025-3675

Malicious code in bioql PyPI...

EUVD-2022-44876

Malicious code in bioql PyPI...

CVE-2021-23030

On BIG-IP Advanced WAF and BIG-IP ASM version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.3, 13.1.x before 13.1.4.1, and all versions of 12.1.x, when a WebSocket profile is configured on a virtual server, undisclosed requests can cause bd to terminate. Note: Software...

CVE-2021-23050

On BIG-IP Advanced WAF and BIG-IP ASM version 16.0.x before 16.0.1.2 and 15.1.x before 15.1.3 and NGINX App Protect on all versions before 3.5.0, when a cross-site request forgery CSRF-enabled policy is configured on a virtual server, an undisclosed HTML response may cause the bd process to...

CVE-2021-23031

On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.4.1, 13.1.x before 13.1.4, 12.1.x before 12.1.6, and 11.6.x before 11.6.5.3, an authenticated user may perform a privilege escalation on the BIG-IP Advanced WAF and ASM Configuration utility. Note: Software versions which...

CVE-2021-23014

On versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.3, and 14.1.x before 14.1.4, BIG-IP Advanced WAF and ASM are missing authorization checks for file uploads to a specific directory within the REST API which might allow Authenticated users with guest privileges to upload files. Note: Software...

CVE-2021-23001

On versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, 12.1.x before 12.1.5.3, and 11.6.x before 11.6.5.3, the upload functionality in BIG-IP Advanced WAF and BIG-IP ASM allows an authenticated user to upload files to the BIG-IP system using a ca...

CVE-2021-22976

On BIG-IP Advanced WAF and ASM version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.6, and all 12.1.x versions, when the BIG-IP ASM system processes WebSocket requests with JSON payloads, an unusually large number of parameters can cause excessive CPU...