medium
6.5
CWE
22
Advisory Published
Updated

CVE-2021-23043: Path Traversal

First published: Tue Sep 14 2021(Updated: )

On BIG-IP, 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 directory traversal vulnerability exists in an undisclosed page of the BIG-IP Configuration utility that allows an attacker to access arbitrary files. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 Access Policy Manager>=11.6.0<=11.6.5
F5 Access Policy Manager>=12.1.0<=12.1.6
F5 Access Policy Manager>=13.1.0<=13.1.4
F5 Access Policy Manager>=14.1.0<=14.1.4
F5 Access Policy Manager>=15.1.0<=15.1.3
F5 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 Application Security Manager>=11.6.0<=11.6.5
F5 Application Security Manager>=12.1.0<=12.1.6
F5 Application Security Manager>=13.1.0<=13.1.4
F5 Application Security Manager>=14.1.0<=14.1.4
F5 Application Security Manager>=15.1.0<=15.1.3
F5 Application Security Manager>=16.0.0<=16.1.0
F5 BIG-IP>=11.6.0<=11.6.5
F5 BIG-IP>=12.1.0<=12.1.6
F5 BIG-IP>=13.1.0<=13.1.4
F5 BIG-IP>=14.1.0<=14.1.4
F5 BIG-IP>=15.1.0<=15.1.3
F5 BIG-IP>=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
Riverbed SteelApp Traffic Manager>=11.6.0<=11.6.5
Riverbed SteelApp Traffic Manager>=12.1.0<=12.1.6
Riverbed SteelApp Traffic Manager>=13.1.0<=13.1.4
Riverbed SteelApp Traffic Manager>=14.1.0<=14.1.4
Riverbed SteelApp Traffic Manager>=15.1.0<=15.1.3
Riverbed SteelApp 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
Riverbed SteelApp Traffic Manager>=11.6.0<=11.6.5
Riverbed SteelApp Traffic Manager>=12.1.0<=12.1.6
Riverbed SteelApp Traffic Manager>=13.1.0<=13.1.4
Riverbed SteelApp Traffic Manager>=14.1.0<=14.1.4
Riverbed SteelApp Traffic Manager>=15.1.0<=15.1.3
Riverbed SteelApp 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

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-23043?

    CVE-2021-23043 is considered a critical vulnerability because it allows attackers to access arbitrary files on the affected systems.

  • How do I fix CVE-2021-23043?

    To mitigate CVE-2021-23043, it is recommended to update to the latest version of the F5 BIG-IP software that addresses this vulnerability.

  • What versions are affected by CVE-2021-23043?

    CVE-2021-23043 affects various versions of F5 BIG-IP including 16.1.x, 16.0.x, 15.1.x, 14.1.x, 13.1.x, 12.1.x, and 11.6.x.

  • Can CVE-2021-23043 be exploited remotely?

    Yes, CVE-2021-23043 can be exploited remotely by an attacker with access to the BIG-IP Configuration utility.

  • What type of vulnerability is CVE-2021-23043?

    CVE-2021-23043 is classified as a directory traversal vulnerability, allowing unauthorized access to files.

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