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CVE-2021-23012

HIGHCVSS 8.2/10EPSS 0.27%

Last modified

CVE-2021-23012 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. 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.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
8.2/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS Probability
0.27%

18.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
F5Big-Ip Access Policy Manager>= 13.1.0, < 13.1.4
F5Big-Ip Access Policy Manager>= 14.1.0, < 14.1.4
F5Big-Ip Access Policy Manager>= 15.1.0, < 15.1.3
F5Big-Ip Access Policy Manager>= 16.0.0, < 16.0.1.1
F5Big-Ip Advanced Firewall Manager>= 13.1.0, < 13.1.4
F5Big-Ip Advanced Firewall Manager>= 14.1.0, < 14.1.4
F5Big-Ip Advanced Firewall Manager>= 15.1.0, < 15.1.3
F5Big-Ip Advanced Firewall Manager>= 16.0.0, < 16.0.1.1
F5Big-Ip Advanced Web Application Firewall>= 13.1.0, < 13.1.4
F5Big-Ip Advanced Web Application Firewall>= 14.1.0, <= 14.1.4
F5Big-Ip Advanced Web Application Firewall>= 15.1.0, < 15.1.3
F5Big-Ip Advanced Web Application Firewall>= 16.0.0, < 16.0.1.1
F5Big-Ip Analytics>= 13.1.0, < 13.1.4
F5Big-Ip Analytics>= 14.1.0, < 14.1.4
F5Big-Ip Analytics>= 15.1.0, < 15.1.3
F5Big-Ip Analytics>= 16.0.0, < 16.0.1.1
F5Big-Ip Application Acceleration Manager>= 13.1.0, < 13.1.4
F5Big-Ip Application Acceleration Manager>= 14.1.0, < 14.1.4
F5Big-Ip Application Acceleration Manager>= 15.1.0, < 15.1.3
F5Big-Ip Application Acceleration Manager>= 16.0.0, < 16.0.1.1
F5Big-Ip Application Security Manager>= 13.1.0, < 13.1.4
F5Big-Ip Application Security Manager>= 14.1.0, < 14.1.4
F5Big-Ip Application Security Manager>= 15.1.0, < 15.1.3
F5Big-Ip Application Security Manager>= 16.0.0, < 16.0.1.1
F5Big-Ip Ddos Hybrid Defender>= 13.1.0, < 13.1.4
F5Big-Ip Ddos Hybrid Defender>= 14.1.0, < 14.1.4
F5Big-Ip Ddos Hybrid Defender>= 15.1.0, < 15.1.3
F5Big-Ip Ddos Hybrid Defender>= 16.0.0, < 16.0.1.1
F5Big-Ip Domain Name System>= 13.1.0, < 13.1.4
F5Big-Ip Domain Name System>= 14.1.0, < 14.1.4
F5Big-Ip Domain Name System>= 15.1.0, < 15.1.3
F5Big-Ip Domain Name System>= 16.0.0, < 16.0.1.1
F5Big-Ip Fraud Protection Service>= 13.1.0, < 13.1.4
F5Big-Ip Fraud Protection Service>= 14.1.0, < 14.1.4
F5Big-Ip Fraud Protection Service>= 15.1.0, < 15.1.3
F5Big-Ip Fraud Protection Service>= 16.0.0, < 16.0.1.1
F5Big-Ip Global Traffic Manager>= 13.1.0, < 13.1.4
F5Big-Ip Global Traffic Manager>= 14.1.0, < 14.1.4
F5Big-Ip Global Traffic Manager>= 15.1.0, < 15.1.3
F5Big-Ip Global Traffic Manager>= 16.0.0, < 16.0.1.1
F5Big-Ip Link Controller>= 13.1.0, < 13.1.4
F5Big-Ip Link Controller>= 14.1.0, < 14.1.4
F5Big-Ip Link Controller>= 15.1.0, < 15.1.3
F5Big-Ip Link Controller>= 16.0.0, < 16.0.1.1
F5Big-Ip Local Traffic Manager>= 13.1.0, < 13.1.4
F5Big-Ip Local Traffic Manager>= 14.1.0, < 14.1.4
F5Big-Ip Local Traffic Manager>= 15.1.0, < 15.1.3
F5Big-Ip Local Traffic Manager>= 16.0.0, < 16.0.1.1
F5Big-Ip Policy Enforcement Manager>= 13.1.0, < 13.1.4
F5Big-Ip Policy Enforcement Manager>= 14.1.0, < 14.1.4

Showing 50 of 56 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-23012?
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.
How severe is CVE-2021-23012?
CVE-2021-23012 has a CVSS score of 8.2/10 (HIGH severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2021-23012?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-23012?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST