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 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

V3 Legend

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

V2 Legend

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

Configurations

Configuration 1 (hide)

OR	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_advanced_web_application_firewall::::::::
	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_application_security_manager::::::::
	cpe:2.3:a:f5:big-ip_application_security_manager::::::::

History

21 Nov 2024, 05:51

Type	Values Removed	Values Added
References	~~() https://support.f5.com/csp/article/K88230177 - Vendor Advisory~~	() https://support.f5.com/csp/article/K88230177 - Vendor Advisory

12 Jul 2022, 17:42

Type	Values Removed	Values Added
CWE	~~CWE-400~~	NVD-CWE-Other

Information

Published : 2021-02-12 18:15

Updated : 2024-11-21 05:51

NVD link : CVE-2021-22976

Mitre link : CVE-2021-22976

CVE.ORG link : CVE-2021-22976

JSON object : View

Products Affected

big-ip_application_security_manager
big-ip_advanced_web_application_firewall

CWE

NVD-CWE-Other

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Note: Software versions which have reached End of Software Development (EoSD) are not evaluated."}, {"lang": "es", "value": "En BIG-IP Advanced WAF y ASM versiones 16.0.x anteriores a 16.0.1.1, versiones 15.1.x anteriores 15.1.2, versiones 14.1.x anteriores a 14.1.3.1, versiones 13.1.x anteriores a 13.1.3.6, y todas las versiones 12.1.x, cuando el sistema BIG-IP ASM procesa las peticiones de WebSocket con cargas \u00fatiles JSON, una cantidad inusualmente grande de par\u00e1metros puede causar un uso excesivo de la CPU en el proceso bd de BIG-IP ASM. Nota: No son evaluadas las versiones de software que han alcanzado End of Software Development (EoSD)"}], "lastModified": "2024-11-21T05:51:03.173", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "322AA283-E494-45E0-975E-2725E2FCC2DE", "versionEndIncluding": "12.1.5", "versionStartIncluding": "12.1.0"}, {"criteria": "cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "39DDA652-065C-4AF9-A014-E0DAFF60B61B", "versionEndExcluding": "13.1.3.6", "versionStartIncluding": "13.1.0"}, {"criteria": "cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BF641654-BDC0-4483-B6BA-D5566427E5C5", "versionEndExcluding": "14.1.3.1", "versionStartIncluding": "14.1.0"}, {"criteria": "cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6E0224A2-82E3-459A-8BEC-A2FC7B526230", "versionEndExcluding": "15.1.2", "versionStartIncluding": "15.1.0"}, {"criteria": "cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6B9117DA-6AA9-4704-A092-B1D426E6370D", "versionEndExcluding": "16.0.1.1", "versionStartIncluding": "16.0.0"}, {"criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2E5552A3-91CD-4B97-AD33-4F1FB4C8827A", "versionEndIncluding": "12.1.5", "versionStartIncluding": "12.1.0"}, {"criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2BF4F8C6-1C43-4A54-9FD6-011253744FC8", "versionEndExcluding": "13.1.3.6", "versionStartIncluding": "13.1.0"}, {"criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A0B1C52A-361A-46BD-9531-96C69F011EBC", "versionEndExcluding": "14.1.3.1", "versionStartIncluding": "14.1.0"}, {"criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "24B9D974-3C1E-4467-A844-F9FDCD39A7FD", "versionEndExcluding": "15.1.2", "versionStartIncluding": "15.1.0"}, {"criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7BB77EFF-A064-4475-A93C-5D5BA9313724", "versionEndExcluding": "16.0.1.1", "versionStartIncluding": "16.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "f5sirt@f5.com"}

7.5 /10

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

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

JSON object

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