CVE-2021-23014: High severity F5 Big-ip Advanced Web Application Firewall vulnerability

Published May 10, 2021
·
Updated

On versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.3, and 14.1.x before 14.1.4, BIG-IP Advanced WAF and ASM are missing authorization checks for file uploads to a specific directory within the REST API which might allow Authenticated users with guest privileges to upload files. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected Software

6 affected components
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 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

Event History

May 10, 2021
CVE Published
via MITRE·02:35 PM
Data Sourced
via MITRE·02:35 PM
DescriptionWeakness

Frequently Asked Questions

1

What is the severity of CVE-2021-23014?

CVE-2021-23014 is classified as a high-severity vulnerability due to its potential for unauthorized file uploads by authenticated users.

2

How do I fix CVE-2021-23014?

To mitigate CVE-2021-23014, upgrade your F5 BIG-IP Advanced WAF and ASM to versions 14.1.4, 15.1.3, or 16.0.1.1 or later.

3

What versions are affected by CVE-2021-23014?

CVE-2021-23014 impacts F5 BIG-IP Advanced WAF and ASM versions 16.0.0 to 16.0.1.1, 15.1.0 to 15.1.3, and 14.1.0 to 14.1.4.

4

Who can exploit CVE-2021-23014?

CVE-2021-23014 can be exploited by authenticated users with guest privileges who can upload files to a vulnerable directory.

5

What impact does CVE-2021-23014 have on security?

CVE-2021-23014 can lead to unauthorized file uploads, potentially resulting in data breaches or further exploitation of the system.

Contact

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