SB2021042918 - Security restrictions bypass in BIG-IP iControl REST API
Published: April 29, 2021
Security Bulletin ID
SB2021042918
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper access control (CVE-ID: CVE-2021-23015)
The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions. When running in Appliance Mode, an authenticated user assigned the 'Administrator' role may be able to bypass Appliance Mode restrictions utilizing undisclosed iControl REST endpoints. A remote privileged user can bypass implemented security restrictions and gain unauthorized access to the application.
Remediation
Install update from vendor's website.