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

CVE-2021-22976

2021-02-1218:15:00
NVD-CWE-Other
[email protected]
web.nvd.nist.gov
51
2
cve-2021-22976
big-ip
waf
asm
cpu usage
vulnerability
websocket
json payload

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.001 Low

EPSS

Percentile

41.9%

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.

CPENameOperatorVersion
f5:big-ip_application_security_managerf5 big-ip application security managerle12.1.5
f5:big-ip_advanced_web_application_firewallf5 big-ip advanced web application firewallle12.1.5
f5:big-ip_advanced_web_application_firewallf5 big-ip advanced web application firewalllt14.1.3.1
f5:big-ip_application_security_managerf5 big-ip application security managerlt14.1.3.1
f5:big-ip_application_security_managerf5 big-ip application security managerlt16.0.1.1
f5:big-ip_application_security_managerf5 big-ip application security managerlt15.1.2
f5:big-ip_advanced_web_application_firewallf5 big-ip advanced web application firewalllt16.0.1.1
f5:big-ip_advanced_web_application_firewallf5 big-ip advanced web application firewalllt15.1.2
f5:big-ip_application_security_managerf5 big-ip application security managerlt13.1.3.6
f5:big-ip_advanced_web_application_firewallf5 big-ip advanced web application firewalllt13.1.3.6

Social References

More

Related

prion 1
nessus 1
f5 1
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prion
Code injection
2021-02-12 18:15:00
nessus
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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

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.001 Low

EPSS

Percentile

41.9%

JSON
Related for CVE-2021-22976
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