high
7.5
CWE
362
Advisory Published
Updated

CVE-2021-22974: Race Condition

First published: Fri Feb 12 2021(Updated: )

On BIG-IP version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, and 13.1.x before 13.1.3.6 and all versions of BIG-IQ 7.x and 6.x, an authenticated attacker with access to iControl REST over the control plane may be able to take advantage of a race condition to execute commands with an elevated privilege level. This vulnerability is due to an incomplete fix for CVE-2017-6167. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 Access Policy Manager>=13.1.0<13.1.3.6
F5 Access Policy Manager>=14.1.0<14.1.3.1
F5 Access Policy Manager>=15.1.0<15.1.2
F5 Access Policy Manager>=16.0.0<16.0.1.1
F5 BIG-IP Advanced Firewall Manager>=13.1.0<13.1.3.5
F5 BIG-IP Advanced Firewall Manager>=14.1.0<14.1.3.1
F5 BIG-IP Advanced Firewall Manager>=15.1.0<15.1.2
F5 BIG-IP Advanced Firewall Manager>=16.0.0<16.0.1.1
F5 BIG-IP Advanced WAF/ASM>=13.1.0<13.1.3.6
F5 BIG-IP Advanced WAF/ASM>=14.1.0<14.1.3.1
F5 BIG-IP Advanced WAF/ASM>=15.1.0<15.1.2
F5 BIG-IP Advanced WAF/ASM>=16.0.0<16.0.1.1
F5 BIG-IP Analytics>=13.1.0<13.1.3.6
F5 BIG-IP Analytics>=14.1.0<14.1.3.1
F5 BIG-IP Analytics>=15.1.0<15.1.2
F5 BIG-IP Analytics>=16.0.0<16.0.1.1
F5 BIG-IP Application Acceleration Manager>=13.1.0<13.1.3.6
F5 BIG-IP Application Acceleration Manager>=14.1.0<14.1.3.1
F5 BIG-IP Application Acceleration Manager>=15.1.0<15.1.2
F5 BIG-IP Application Acceleration Manager>=16.0.0<16.0.1.1
F5 Application Security Manager>=13.1.0<13.1.3.6
F5 Application Security Manager>=14.1.0<14.1.3.1
F5 Application Security Manager>=15.1.0<15.1.2
F5 Application Security Manager>=16.0.0<16.0.1.1
F5 BIG-IP DDoS Hybrid Defender>=13.1.0<13.1.3.6
F5 BIG-IP DDoS Hybrid Defender>=14.1.0<14.1.3.1
F5 BIG-IP DDoS Hybrid Defender>=15.1.0<15.1.2
F5 BIG-IP DDoS Hybrid Defender>=16.0.0<16.0.1.1
F5 BIG-IP>=13.1.0<13.1.3.6
F5 BIG-IP>=14.1.0<14.1.3.1
F5 BIG-IP>=15.1.0<15.1.2
F5 BIG-IP>=16.0.0<16.0.1.1
F5 BIG-IP Fraud Protection Service>=13.1.0<13.1.3.5
F5 BIG-IP Fraud Protection Service>=14.1.0<14.1.3.1
F5 BIG-IP Fraud Protection Service>=15.1.0<15.1.2
F5 BIG-IP Fraud Protection Service>=16.0.0<16.0.1.1
Riverbed SteelApp Traffic Manager>=13.1.0<13.1.3.6
Riverbed SteelApp Traffic Manager>=14.1.0<14.1.3.1
Riverbed SteelApp Traffic Manager>=15.1.0<15.1.2
Riverbed SteelApp Traffic Manager>=16.0.0<16.0.1.1
F5 BIG-IP Link Controller>=13.1.0<13.1.3.6
F5 BIG-IP Link Controller>=14.1.0<14.1.3.1
F5 BIG-IP Link Controller>=15.1.0<15.1.2
F5 BIG-IP Link Controller>=16.0.0<16.0.1.1
Riverbed SteelApp Traffic Manager>=13.1.0<13.1.3.6
Riverbed SteelApp Traffic Manager>=14.1.0<14.1.3.1
Riverbed SteelApp Traffic Manager>=15.1.0<15.1.2
Riverbed SteelApp Traffic Manager>=16.0.0<16.0.1.1
F5 BIG-IP Policy Enforcement Manager>=13.1.0<13.1.3.6
F5 BIG-IP Policy Enforcement Manager>=14.1.0<14.1.3.1
F5 BIG-IP Policy Enforcement Manager>=15.1.0<15.1.2
F5 BIG-IP Policy Enforcement Manager>=16.0.0<16.0.1.1
F5 BIG-IP SSL Orchestrator>=13.1.0<13.1.3.6
F5 BIG-IP SSL Orchestrator>=14.1.0<14.1.3.1
F5 BIG-IP SSL Orchestrator>=15.1.0<15.1.2
F5 BIG-IP SSL Orchestrator>=16.0.0<16.0.1.1
F5 BIG-IP and BIG-IQ Centralized Management>=6.0.0<=6.1.0
F5 BIG-IP and BIG-IQ Centralized Management>=7.0.0<=7.1.0

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-22974?

    CVE-2021-22974 is rated as a critical severity vulnerability that could allow an authenticated attacker to execute commands on the affected systems.

  • How do I fix CVE-2021-22974?

    To fix CVE-2021-22974, you should upgrade affected softwares to the latest versions provided by F5, specifically versions 16.0.1.1 and above, 15.1.2 and above, 14.1.3.1 and above, or 13.1.3.6 and above.

  • Which F5 products are affected by CVE-2021-22974?

    CVE-2021-22974 affects several F5 products including BIG-IP Access Policy Manager, Advanced Firewall Manager, and other module versions listed in the CVE report.

  • Can CVE-2021-22974 be exploited remotely?

    No, CVE-2021-22974 requires authentication to iControl REST and therefore cannot be exploited remotely by unauthenticated users.

  • Is there a workaround for CVE-2021-22974?

    Currently, the recommended approach is to apply the necessary updates as there are no documented workarounds for CVE-2021-22974.

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