CVE-2021-23012: OS Command Injection

Q: What is the severity of CVE-2021-23012?

The severity of CVE-2021-23012 is critical, as it allows unauthorized command execution by users with specific roles.

Q: How do I fix CVE-2021-23012?

To fix CVE-2021-23012, update your F5 BIG-IP software to versions 16.0.1.1, 15.1.3, 14.1.4, or 13.1.4 or later.

Q: Which F5 BIG-IP versions are affected by CVE-2021-23012?

CVE-2021-23012 affects F5 BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.3, 14.1.x before 14.1.4, and 13.1.x before 13.1.4.

Q: Can CVE-2021-23012 be exploited remotely?

Yes, CVE-2021-23012 can be exploited remotely by malicious users who have been assigned the Resource Administrator or Administrator roles.

Q: What type of attack is CVE-2021-23012 associated with?

CVE-2021-23012 is associated with command injection attacks due to inadequate input validation.

Published May 10, 2021

Updated

On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.3, 14.1.x before 14.1.4, and 13.1.x before 13.1.4, lack of input validation for items used in the system support functionality may allow users granted either "Resource Administrator" or "Administrator" roles to execute arbitrary bash commands on BIG-IP. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected Software

56 affected components

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<16.0.1.1

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<16.0.1.1

F5 Big-ip Advanced Web Application Firewall>=13.1.0<13.1.4

F5 Big-ip Advanced Web Application Firewall>=14.1.0<=14.1.4

F5 Big-ip Advanced Web Application Firewall>=15.1.0<15.1.3

F5 Big-ip Advanced Web Application Firewall>=16.0.0<16.0.1.1

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<16.0.1.1

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<16.0.1.1

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<16.0.1.1

F5 Big-ip Ddos Hybrid Defender>=13.1.0<13.1.4

F5 Big-ip Ddos Hybrid Defender>=14.1.0<14.1.4

F5 Big-ip Ddos Hybrid Defender>=15.1.0<15.1.3

F5 Big-ip Ddos Hybrid Defender>=16.0.0<16.0.1.1

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<16.0.1.1

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<16.0.1.1

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<16.0.1.1

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<16.0.1.1

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<16.0.1.1

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<16.0.1.1

F5 BIG-IP SSL Orchestrator>=13.1.0<13.1.4

F5 BIG-IP SSL Orchestrator>=14.1.0<14.1.4

F5 BIG-IP SSL Orchestrator>=15.1.0<15.1.3

F5 BIG-IP SSL Orchestrator>=16.0.0<16.0.1.1

Event History

May 10, 2021

CVE Published

via MITRE·02:08 PM

Data Sourced

via MITRE·02:08 PM

DescriptionWeakness

Frequently Asked Questions

What is the severity of CVE-2021-23012?

The severity of CVE-2021-23012 is critical, as it allows unauthorized command execution by users with specific roles.

How do I fix CVE-2021-23012?

To fix CVE-2021-23012, update your F5 BIG-IP software to versions 16.0.1.1, 15.1.3, 14.1.4, or 13.1.4 or later.

Which F5 BIG-IP versions are affected by CVE-2021-23012?