CVE-2021-23037

high-risk
Published 2021-09-14

On all versions of 16.1.x, 16.0.x, 15.1.x, 14.1.x, 13.1.x, 12.1.x, and 11.6.x, a reflected cross-site scripting (XSS) vulnerability exists in an undisclosed page of the BIG-IP Configuration utility that allows an attacker to execute JavaScript in the context of the currently logged-in user. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Do I need to act?

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0.71% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.6/10 Critical
NETWORK / LOW complexity

Affected Products (11)

Affected Vendors

F5

References (2)

Mitigation https://support.f5.com/csp/article/K21435974
Mitigation https://support.f5.com/csp/article/K21435974
50
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 2/34 · Minimal
Exposure 16/34 · Moderate