CVE-2021-23028: F5 BIG-IP: 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
This F5 advisory covers CVE-2021-23028. Related products: BIG-IP, ASM.
- CVE-2021-23028
Key facts
- Vendor rating
- High, CVSS 7.5
- CISA KEV
- Not listed (catalogue checked )
- Versions named
- 16.0.x; 15.1.x; 14.1.x and 1 more below
- Fixed in
- 16.0.1.2, 15.1.3.1, 14.1.4.2 and 1 more below
- Source published
- Source revised
- Listed by VulniPulse
- Record changed
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Related products & platforms
Description
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.
Text from the source record.
- 16.0.x
- 15.1.x
- 14.1.x
- 13.1.x
Official advisory · high-confidence parse· fetched ·verify at source
How to fix CVE-2021-23028
Upgrade to a fixed release named by F5:
- 16.0.1.2
- 15.1.3.1
- 14.1.4.2
- 13.1.4
Support dates for the fixed release lines
- F5 BIG-IP 16.0: support ended
- F5 BIG-IP 15.1: support ended
- F5 BIG-IP 14.1: support ended
- F5 BIG-IP 13.1: support ended
More F5 advisories
CVE-2026-94127Sep 22, 2026When a BIG-IP APM access policy and an OAuth profile are configured on a virtual serverCVE-2026-66842Sep 2, 2026BIG-IP vulnerabilityCVE-2026-59762Jul 15, 2026BIG-IP: When an HTTP/2 profile is configured on a virtual server, undisclosed requestsCVE-2026-39458May 13, 2026When a BIG-IP is configured with DNS cachingCVE-2025-58071Oct 15, 2025When IPsec is configured on the BIG-IP system, undisclosed trafficCVE-2025-54854Oct 15, 2025When a BIG-IP APM OAuth access profile (Resource Server or Resource Client) is configured
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