CVE-2021-23037: XSS

Published Sep 14, 2021
·
Updated

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.

Affected Software

66 affected components
F5 BIG-IP Access Policy Manager>=11.6.0<=11.6.5
F5 BIG-IP Access Policy Manager>=12.1.0<=12.1.6
F5 BIG-IP Access Policy Manager>=13.1.0<=13.1.4
F5 BIG-IP Access Policy Manager>=14.1.0<=14.1.4
F5 BIG-IP Access Policy Manager>=15.1.0<=15.1.3
F5 BIG-IP Access Policy Manager>=16.0.0<=16.1.0
F5 BIG-IP Advanced Firewall Manager>=11.6.0<=11.6.5
F5 BIG-IP Advanced Firewall Manager>=12.1.0<=12.1.6
F5 BIG-IP Advanced Firewall Manager>=13.1.0<=13.1.4
F5 BIG-IP Advanced Firewall Manager>=14.1.0<=14.1.4
F5 BIG-IP Advanced Firewall Manager>=15.1.0<=15.1.3
F5 BIG-IP Advanced Firewall Manager>=16.0.0<=16.1.0
F5 BIG-IP Analytics>=11.6.0<=11.6.5
F5 BIG-IP Analytics>=12.1.0<=12.1.6
F5 BIG-IP Analytics>=13.1.0<=13.1.4
F5 BIG-IP Analytics>=14.1.0<=14.1.4
F5 BIG-IP Analytics>=15.1.0<=15.1.3
F5 BIG-IP Analytics>=16.0.0<=16.1.0
F5 Big-ip Application Acceleration Manager>=11.6.0<=11.6.5
F5 Big-ip Application Acceleration Manager>=12.1.0<=12.1.6
F5 Big-ip Application Acceleration Manager>=13.1.0<=13.1.4
F5 Big-ip Application Acceleration Manager>=14.1.0<=14.1.4
F5 Big-ip Application Acceleration Manager>=15.1.0<=15.1.3
F5 Big-ip Application Acceleration Manager>=16.0.0<=16.1.0
F5 BIG-IP Application Security Manager>=11.6.0<=11.6.5
F5 BIG-IP Application Security Manager>=12.1.0<=12.1.6
F5 BIG-IP Application Security Manager>=13.1.0<=13.1.4
F5 BIG-IP Application Security Manager>=14.1.0<=14.1.4
F5 BIG-IP Application Security Manager>=15.1.0<=15.1.3
F5 BIG-IP Application Security Manager>=16.0.0<=16.1.0
F5 Big-ip Domain Name System>=11.6.0<=11.6.5
F5 Big-ip Domain Name System>=12.1.0<=12.1.6
F5 Big-ip Domain Name System>=13.1.0<=13.1.4
F5 Big-ip Domain Name System>=14.1.0<=14.1.4
F5 Big-ip Domain Name System>=15.1.0<=15.1.3
F5 Big-ip Domain Name System>=16.0.0<=16.1.0
F5 Big-ip Fraud Protection Service>=11.6.0<=11.6.5
F5 Big-ip Fraud Protection Service>=12.1.0<=12.1.6
F5 Big-ip Fraud Protection Service>=13.1.0<=13.1.4
F5 Big-ip Fraud Protection Service>=14.1.0<=14.1.4
F5 Big-ip Fraud Protection Service>=15.1.0<=15.1.3
F5 Big-ip Fraud Protection Service>=16.0.0<=16.1.0
F5 Big-ip Global Traffic Manager>=11.6.0<=11.6.5
F5 Big-ip Global Traffic Manager>=12.1.0<=12.1.6
F5 Big-ip Global Traffic Manager>=13.1.0<=13.1.4
F5 Big-ip Global Traffic Manager>=14.1.0<=14.1.4
F5 Big-ip Global Traffic Manager>=15.1.0<=15.1.3
F5 Big-ip Global Traffic Manager>=16.0.0<=16.1.0
F5 Big-ip Link Controller>=11.6.0<=11.6.5
F5 Big-ip Link Controller>=12.1.0<=12.1.6
F5 Big-ip Link Controller>=13.1.0<=13.1.4
F5 Big-ip Link Controller>=14.1.0<=14.1.4
F5 Big-ip Link Controller>=15.1.0<=15.1.3
F5 Big-ip Link Controller>=16.0.0<=16.1.0
F5 Big-ip Local Traffic Manager>=11.6.0<=11.6.5
F5 Big-ip Local Traffic Manager>=12.1.0<=12.1.6
F5 Big-ip Local Traffic Manager>=13.1.0<=13.1.4
F5 Big-ip Local Traffic Manager>=14.1.0<=14.1.4
F5 Big-ip Local Traffic Manager>=15.1.0<=15.1.3
F5 Big-ip Local Traffic Manager>=16.0.0<=16.1.0
F5 Big-ip Policy Enforcement Manager>=11.6.0<=11.6.5
F5 Big-ip Policy Enforcement Manager>=12.1.0<=12.1.6
F5 Big-ip Policy Enforcement Manager>=13.1.0<=13.1.4
F5 Big-ip Policy Enforcement Manager>=14.1.0<=14.1.4
F5 Big-ip Policy Enforcement Manager>=15.1.0<=15.1.3
F5 Big-ip Policy Enforcement Manager>=16.0.0<=16.1.0

Event History

Sep 14, 2021
CVE Published
via MITRE·05:53 PM
Data Sourced
via MITRE·05:53 PM
DescriptionWeakness

Frequently Asked Questions

1

What is the severity of CVE-2021-23037?

CVE-2021-23037 is considered critical due to its potential for reflected cross-site scripting (XSS) attacks.

2

How do I fix CVE-2021-23037?

To fix CVE-2021-23037, you should upgrade to the latest version of the affected F5 BIG-IP software that addresses this vulnerability.

3

What products are affected by CVE-2021-23037?

CVE-2021-23037 affects multiple versions of F5 BIG-IP products including Access Policy Manager, Advanced Firewall Manager, Analytics, and others across several version lines.

4

What is reflected cross-site scripting in CVE-2021-23037?

Reflected cross-site scripting in CVE-2021-23037 allows attackers to execute malicious JavaScript in the context of a legitimate user's session.

5

When was CVE-2021-23037 disclosed?

CVE-2021-23037 was disclosed in 2021, highlighting security concerns in certain F5 BIG-IP configurations.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203