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nvd[email protected]NVD:CVE-2021-22976
HistoryFeb 12, 2021 - 6:15 p.m.

CVE-2021-22976

2021-02-1218:15:12
[email protected]
web.nvd.nist.gov

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

42.7%

JSON

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.

Affected configurations

NVD
Node
f5big-ip_advanced_web_application_firewallRange12.1.0–12.1.5
OR
f5big-ip_advanced_web_application_firewallRange13.1.0–13.1.3.6
OR
f5big-ip_advanced_web_application_firewallRange14.1.0–14.1.3.1
OR
f5big-ip_advanced_web_application_firewallRange15.1.0–15.1.2
OR
f5big-ip_advanced_web_application_firewallRange16.0.0–16.0.1.1
OR
f5big-ip_application_security_managerRange12.1.0–12.1.5
OR
f5big-ip_application_security_managerRange13.1.0–13.1.3.6
OR
f5big-ip_application_security_managerRange14.1.0–14.1.3.1
OR
f5big-ip_application_security_managerRange15.1.0–15.1.2
OR
f5big-ip_application_security_managerRange16.0.0–16.0.1.1

Related

cve 1
prion 1
cvelist 1
nessus 1
f5 1
cve
cve
CVE-2021-22976
2021-02-12 18:15:12
prion
prion
Code injection
2021-02-12 18:15:00
cvelist
cvelist
CVE-2021-22976
2021-02-12 17:43:49
nessus
nessus
F5 Networks BIG-IP : BIG-IP ASM WebSocket vulnerability (K88230177)
2021-02-11 00:00:00
f5
f5
K88230177 : BIG-IP ASM WebSocket vulnerability CVE-2021-22976
2021-02-10 00:00:00

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

42.7%

JSON
Related for NVD:CVE-2021-22976
cve1prion1cvelist1nessus1f51