Stack-based buffer overflow in FortiWLC - CVE-2021-26094
Published: June 1, 2021
Vulnerability identifier: #VU53722
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-2021-26094
CWE-ID: CWE-121
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 a boundary error in the command line interface of FortiWLC. A local user can run a specially crafted CLI command to trigger stack-based buffer overflow and execute arbitrary code on the target system with elevated privileges.
Affected software
FortiWLC
How to mitigate CVE-2021-26094
Install updates from vendor's website.
FortiWLC - addressed in versions 8.5.4, 8.6.1