OS Command Injection in FortiPortal - CVE-2021-26104

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Main Vulnerability Database Vulnerabilities #VU55544

OS Command Injection in FortiPortal - CVE-2021-26104

Published: August 3, 2021


Vulnerability identifier: #VU55544
CSH Severity: Medium
CVSS v4: 9.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H]
CVE-ID: CVE-2021-26104
CWE-ID: CWE-78
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 input validation in the command line interface. A local user can execute arbitrary shell commands as root via specifically crafted CLI command parameters.


Affected software

FortiPortal
FortiAnalyzer
FortiManager

How to mitigate CVE-2021-26104

Install updates from vendor's website.

FortiPortal - addressed in versions 5.2.6, 5.3.6, 6.0.5
FortiAnalyzer - addressed in versions 6.2.8, 6.4.6, 7.0.0
FortiManager - addressed in versions 6.2.8, 6.4.6, 7.0.0

External References

Related Security Bulletins