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[email protected]CVE-2021-23050

HistorySep 14, 2021 - 1:15 p.m.

CVE-2021-23050

2021-09-1413:15:00

NVD-CWE-noinfo

[email protected]

web.nvd.nist.gov

cve-2021-23050

big-ip

asm

waf

nginx

app protect

csrf

security vulnerability

html response

bd process

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

7.5 High

AI Score

Confidence

High

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

20.7%

JSON

On BIG-IP Advanced WAF and BIG-IP ASM version 16.0.x before 16.0.1.2 and 15.1.x before 15.1.3 and NGINX App Protect on all versions before 3.5.0, when a cross-site request forgery (CSRF)-enabled policy is configured on a virtual server, an undisclosed HTML response may cause the bd process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CPENameOperatorVersion
f5:big-ip_application_security_managerf5 big-ip application security managerlt16.0.1.2
f5:big-ip_application_security_managerf5 big-ip application security managerlt15.1.3.1
f5:big-ip_advanced_web_application_firewallf5 big-ip advanced web application firewalllt16.0.1.2
f5:big-ip_advanced_web_application_firewallf5 big-ip advanced web application firewalllt15.1.3.1
f5:nginx_app_protectf5 nginx app protectle1.3.0
f5:nginx_app_protectf5 nginx app protectle2.3.0
f5:nginx_app_protectf5 nginx app protectlt3.5.0

CPE	Name	Operator	Version
f5:big-ip_application_security_manager	f5 big-ip application security manager	lt	16.0.1.2
f5:big-ip_application_security_manager	f5 big-ip application security manager	lt	15.1.3.1
f5:big-ip_advanced_web_application_firewall	f5 big-ip advanced web application firewall	lt	16.0.1.2
f5:big-ip_advanced_web_application_firewall	f5 big-ip advanced web application firewall	lt	15.1.3.1
f5:nginx_app_protect	f5 nginx app protect	le	1.3.0
f5:nginx_app_protect	f5 nginx app protect	le	2.3.0
f5:nginx_app_protect	f5 nginx app protect	lt	3.5.0

References

support.f5.com/csp/article/K44553214

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

7.5 High

AI Score

Confidence

High

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

20.7%

JSON

Related for CVE-2021-23050

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