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F5 Networks: K88230177: BIG-IP ASM WebSocket vulnerability CVE-2021-22976

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F5 Networks: K88230177: BIG-IP ASM WebSocket vulnerability CVE-2021-22976

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
02/10/2021
Created
02/13/2021
Added
02/11/2021
Modified
12/07/2023

Description

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.

Solution(s)

  • f5-big-ip-upgrade-latest

References

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