What is CVE-2021-23054?

CVE-2021-23054 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-09-27.

How severe is CVE-2021-23054?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2021-23054 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in F5 Big-Ip Access Policy Manager

CVE-2021-23054

On version 16.x before 16.1.0, 15.1.x before 15.1.4, 14.1.x before 14.1.4.4, and all versions of 13.1.x, 12.1.x, and 11.6.x, a reflected cross-site scripting (XSS) vulnerability exists in the resource information page for authenticated users when a full webtop is configured on the BIG-IP APM system. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (44.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

F5 Big-ip_access_policy_manager
N/a Big-ip Apm — versions 16.x before 16.1.0, 15.1.x before 15.1.4, 14.1.x before 14.1.4.4, and all versions of 13.1.x, 12.1.x, and 11.6.x

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

p1ay8y3ar/cve_

References

f5sirt@f5.com (x_refsource_MISC, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2021-23054?: CVE-2021-23054 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-09-27.
How severe is CVE-2021-23054?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-23054 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.