Command Injection in BIG-IP Link Controller - CVE-2019-6621
Published: July 2, 2019 / Updated: July 17, 2020
Vulnerability identifier: #VU31034
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-6621
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: F5 Networks
Affected software:
BIG-IP Link Controller
BIG-IP Link Controller
Detailed vulnerability description
The vulnerability allows a remote privileged user to execute arbitrary code.
On BIG-IP 14.1.0-14.1.0.5, 14.0.0-14.0.0.5, 13.0.0-13.1.1.4, 12.1.0-12.1.4.1, 11.6.1-11.6.3.4, and 11.5.1-11.5.8 and BIG-IQ 6.0.0-6.1.0 and 5.1.0-5.4.0, an undisclosed iControl REST worker is vulnerable to command injection by an admin/resource admin user. This issue impacts both iControl REST and tmsh implementations.
How to mitigate CVE-2019-6621
Install update from vendor's website.