CVE-2021-22976 PUBLISHED CVSS 7.5 HIGH

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.

EPSS 0.65% · 70.6th percentile

Risk Scores

CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.65%
70.6th percentile

Affected Products

VendorProductVersions
n/aBIG-IP Advanced WAF & BIG-IP ASM16.0.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
f5big-ip_application_security_manager16.0.0, 12.1.0, 13.1.0
f5big-ip_advanced_web_application_firewall12.1.0, 13.1.0, 14.1.0

Timeline

References

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