Strix
26.1K

CVE-2021-23043

MEDIUMCVSS 6.5/10EPSS 1.93%

Last modified

CVE-2021-23043 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 1.93% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
6.5/10

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

EPSS Probability
1.93%

77.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
F5Big-Ip Access Policy Manager>= 11.6.0, <= 11.6.5
F5Big-Ip Access Policy Manager>= 12.1.0, <= 12.1.6
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, <= 16.1.0
F5Big-Ip Advanced Firewall Manager>= 11.6.0, <= 11.6.5
F5Big-Ip Advanced Firewall Manager>= 12.1.0, <= 12.1.6
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, <= 16.1.0
F5Big-Ip Analytics>= 11.6.0, <= 11.6.5
F5Big-Ip Analytics>= 12.1.0, <= 12.1.6
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, <= 16.1.0
F5Big-Ip Application Acceleration Manager>= 11.6.0, <= 11.6.5
F5Big-Ip Application Acceleration Manager>= 12.1.0, <= 12.1.6
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, <= 16.1.0
F5Big-Ip Application Security Manager>= 11.6.0, <= 11.6.5
F5Big-Ip Application Security Manager>= 12.1.0, <= 12.1.6
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, <= 16.1.0
F5Big-Ip Domain Name System>= 11.6.0, <= 11.6.5
F5Big-Ip Domain Name System>= 12.1.0, <= 12.1.6
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, <= 16.1.0
F5Big-Ip Fraud Protection Service>= 11.6.0, <= 11.6.5
F5Big-Ip Fraud Protection Service>= 12.1.0, <= 12.1.6
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, <= 16.1.0
F5Big-Ip Global Traffic Manager>= 11.6.0, <= 11.6.5
F5Big-Ip Global Traffic Manager>= 12.1.0, <= 12.1.6
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, <= 16.1.0
F5Big-Ip Link Controller>= 11.6.0, <= 11.6.5
F5Big-Ip Link Controller>= 12.1.0, <= 12.1.6

Showing 50 of 66 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-23043?
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.
How severe is CVE-2021-23043?
CVE-2021-23043 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.93% probability of exploitation in the next 30 days.
How do I fix CVE-2021-23043?
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-2021-23043?

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

Scan your code now

Source: NVD / NIST