Improper Preservation of Permissions in Nagios XI - CVE-2020-5796
Published: November 13, 2020 / Updated: January 19, 2021
Vulnerability identifier: #VU49679
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-2020-5796
CWE-ID:
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
A local user can escalate privileges on the system.
The vulnerability exists due to improper preservation of permissions in Nagios XI. A local user can weaken the permissions of files, resulting in low-privileged users being able to write to and execute arbitrary PHP code with root privileges.
Affected software
Nagios XI
How to mitigate CVE-2020-5796
Install updates from vendor's website.
Nagios XI - update to 5.7.5