What’s Vulnerable › Vulnerabilities

CVE-2021-37343

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 23.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-08-13 · updated 2026-06-17
• Weakness: CWE-22

Description

A path traversal vulnerability exists in Nagios XI below version 5.8.5 AutoDiscovery component and could lead to post authenticated RCE under security context of the user running Nagios.

Affected products

• Nagios XI: before 5.8.5 — fixed in 5.8.5

How to fix

Upgrade to a fixed version: Nagios XI 5.8.5. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/165978/Nagios-XI-Autodiscovery-Shell-Upload.html
• https://www.nagios.com/downloads/nagios-xi/change-log/
• http://packetstormsecurity.com/files/165978/Nagios-XI-Autodiscovery-Shell-Upload.html
• https://www.nagios.com/downloads/nagios-xi/change-log/

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