Read the docs
TI-2021-05887 Aliases CVE-2021-23028GHSA-33v9-9rxf-3675

Improper input validation in BIG-IP Advanced WAF and BIG-IP ASM

Priority LOW 35CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.2, and 13.1.x before 13.1.4, when JSON content profiles are configured for URLs as part of an F5 Advanced Web Application Firewall (WAF)/BIG-IP ASM security policy and applied to a virtual server, undisclosed requests may cause the BIG-IP ASM bd process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Why it matters now

EPSS 0.00933 60th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—BIG-IP Advanced WAF and BIG-IP ASM16.0.x before 16.0.1.2, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.2, and 13.1.x before 13.1.4—No fix listedCNA
  • BIG-IP Advanced WAF and BIG-IP ASM Vendor— Affected 16.0.x before 16.0.1.2, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.2, and 13.1.x before 13.1.4 Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*13.1.3.5 – 13.1.3.6; 14.1.3.1 – 14.1.4.1; 15.1.1 to before 15.1.3.1VulnerableF5
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:16.0.1:*:*:*:*:*:*:*16.0.1VulnerableF5
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*13.1..3.5 – 13.1.3.6; 14.1.3.1 – 14.1.4.1; 15.1.0 to before 15.1.3.1VulnerableF5
cpe:2.3:a:f5:big-ip_application_security_manager:16.0.1:*:*:*:*:*:*:*16.0.1VulnerableF5
  • cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* Versions 13.1.3.5 – 13.1.3.6; 14.1.3.1 – 14.1.4.1; 15.1.1 to before 15.1.3.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:16.0.1:*:*:*:*:*:*:* Versions 16.0.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* Versions 13.1..3.5 – 13.1.3.6; 14.1.3.1 – 14.1.4.1; 15.1.0 to before 15.1.3.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_application_security_manager:16.0.1:*:*:*:*:*:*:* Versions 16.0.1 Vulnerable ·F5

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-23028
  2. 2026-10-03 Alias added: GHSA-33v9-9rxf-3675

References

Advisory 1

  • TI-2023-25230 BIG-IP Configuration utility unauthenticated remote code execution vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-05850 Memory corruption in BIG-IP KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-05845 Server-side request forgery in BIG-IP; BIG-IQ KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-04820 Path traversal in BIG-IP KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-25231 BIG-IP Configuration utility authenticated SQL injection vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
See all 194 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences