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Vulnerability record · CVE-2021-37343 · published 13 August 2021

CVE-2021-37343: Nagios xi path traversal vulnerability

Nagios · Nagios Xi

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.

8.8 CVSS 3.1 High EPSS 24% · top 2.2% CWE-22 · Path traversal
8.8CVSS 3.1 base score, v2 6.5
24%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/165978/Nagios-XI-Autodiscovery-Shell-Upload.html ExploitThird Party AdvisoryVDB Entry
https://www.nagios.com/downloads/nagios-xi/change-log/ Release NotesVendor Advisory
http://packetstormsecurity.com/files/165978/Nagios-XI-Autodiscovery-Shell-Upload.html ExploitThird Party AdvisoryVDB Entry
https://www.nagios.com/downloads/nagios-xi/change-log/ Release NotesVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-37343), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.