Improper access control in FortiProxy and FortiOS - CVE-2021-26110

 

Improper access control in FortiProxy and FortiOS - CVE-2021-26110

Published: December 7, 2021


Vulnerability identifier: #VU58630
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-26110
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper access restrictions in the autod daemon. A local user can bypass implemented security restrictions and escalate privileges on the systems to uper_admin via a specific crafted configuration of fabric automation CLI script and auto-script features.


Affected software

FortiProxy
FortiOS

How to mitigate CVE-2021-26110

Install updates from vendor's website.

FortiProxy - addressed in versions 1.2.10, 2.0.2
FortiOS - addressed in versions 6.0.13, 6.2.10, 6.4.7, 7.0.1

External References

Related Security Bulletins