high7.5
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, w…
Impact
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 usage in the BIG-IP ASM bd process. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| F5 | Big-Ip Advanced Web Application Firewall | from 12.1.0 through 12.1.5 from 13.1.0 before 13.1.3.6 from 14.1.0 before 14.1.3.1 from 15.1.0 before 15.1.2 from 16.0.0 before 16.0.1.1 |
| F5 | Big-Ip Application Security Manager | from 12.1.0 through 12.1.5 from 13.1.0 before 13.1.3.6 from 14.1.0 before 14.1.3.1 from 15.1.0 before 15.1.2 from 16.0.0 before 16.0.1.1 |