What’s Vulnerable › Vulnerabilities

CVE-2020-5796

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-11-13 · updated 2026-06-17
• Weakness: CWE-281

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.

Affected products

• Nagios XI: 5.7.4

References

• https://www.tenable.com/security/research/tra-2020-61
• https://www.tenable.com/security/research/tra-2020-61

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