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, 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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://support.f5.com/csp/article/K88230177	Vendor Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:f5:big-ip_application_security_manager::::::::
	cpe:2.3:a:f5:big-ip_advanced_web_application_firewall::::::::
	cpe:2.3:a:f5:big-ip_advanced_web_application_firewall::::::::
	cpe:2.3:a:f5:big-ip_application_security_manager::::::::
	cpe:2.3:a:f5:big-ip_application_security_manager::::::::
	cpe:2.3:a:f5:big-ip_application_security_manager::::::::
	cpe:2.3:a:f5:big-ip_advanced_web_application_firewall::::::::
	cpe:2.3:a:f5:big-ip_advanced_web_application_firewall::::::::
	cpe:2.3:a:f5:big-ip_application_security_manager::::::::
	cpe:2.3:a:f5:big-ip_advanced_web_application_firewall::::::::

Information

Published : 2021-02-12 10:15

Updated : 2022-07-12 10:42

NVD link : CVE-2021-22976

Mitre link : CVE-2021-22976

JSON object : View

CWE

NVD-CWE-Other

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Products Affected

f5

big-ip_application_security_manager
big-ip_advanced_web_application_firewall

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