What’s Vulnerable › Vulnerabilities

CVE-2020-15901

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 21.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-07-22 · updated 2026-06-17

Description

In Nagios XI before 5.7.3, ajaxhelper.php allows remote authenticated attackers to execute arbitrary commands via cmdsubsys.

Affected products

• Nagios XI: before 5.7.2 — fixed in 5.7.2

How to fix

Upgrade to a fixed version: Nagios XI 5.7.2. Check the vendor advisory for mitigations.

References

• https://insinuator.net/2020/07/security-advisories-for-nagios-xi/
• https://www.nagios.com/downloads/nagios-xi/change-log/
• https://www.nagios.com/products/security/
• https://insinuator.net/2020/07/security-advisories-for-nagios-xi/
• https://www.nagios.com/downloads/nagios-xi/change-log/
• https://www.nagios.com/products/security/

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