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…

published February 12, 2021

CVSS
—
EPSS
1%
Percentile
62.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00995 · 62.3th percentile
Published
2021-02-12T17:43Z
EPSS history
Timeline
  • 12 FEB 17:43Z
    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…
    cvelistv5