CVE-2020-5796 Privilege escalation in Nagios XI

What is CVE-2020-5796?

CVE-2020-5796 is a high-severity vulnerability in Nagios Nagios Xi, published on 13 Nov 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper preservation of permissions in Nagios XI 5.7.4 allows a local, low-privileged, authenticated user to weaken the permissions of files, resulting in low-privileged users being able to write to and execute arbitrary PHP code with root privileges.

Weakness: CWE-281

Which versions are affected by CVE-2020-5796?

It affects 1 product.

Products include Nagios Nagios Xi.

How do I fix CVE-2020-5796?

No fix has been published for CVE-2020-5796 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-5796 being exploited?

There is no known exploitation of CVE-2020-5796 in the wild and no public exploit code.

Other vulnerabilities in Nagios Nagios Xi

• CVE-2021-25296 Nagios XI OS Command Injection Exploited High 8.8
• CVE-2021-25297 Nagios XI OS Command Injection Exploited High 8.8
• CVE-2021-25298 Nagios XI OS Command Injection Exploited High 8.8
• CVE-2019-15949 Nagios XI Remote Code Execution Exploited High 8.8
• CVE-2024-24401 SQL injection in n/a Critical 9.8

All Nagios Nagios Xi vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-cr82-m62c-8j4w.