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VULNERABILITIES

CVE-2021-40343 Details

Description

An issue was discovered in Nagios XI 5.8.5. Insecure file permissions on the nagios_unbundler.py file allow the nagios user to elevate their privileges to the root user.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT CVERelease NotesVendor Advisory
https://synacktiv.com CVENot Applicable
https://www.synacktiv.com/sites/default/files/2021-10/Nagios_XI_multiple_vulnerabilities_0.pdf CVEExploitThird Party Advisory
https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT [email protected]Release NotesVendor Advisory
https://synacktiv.com [email protected]Not Applicable

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-732Incorrect Permission Assignment for Critical Resource[email protected]

Affected Products

ProductVersions
nagios nagios xi
5.8.5

CPE

  • cpe:2.3:a:nagios:nagios_xi:5.8.5:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-40343
NVD Published Date:
Oct 26, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-40343 Details - Not Deferred