Vulnerability Monitor

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CVE-2021-47700

Nagios XI versions prior to 5.8.7 used a temporary directory for Highcharts exports with overly permissive ownership/permissions under the Apache user. Local or co-hosted processes could read/overwrite export artifacts or manipulate paths, risking disclosure or tampering and potential code execution depending on deployment.

Published

2025-10-30T22:15:41.497

Last Modified

2025-11-05T18:22:22.017

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

Weaknesses

Type: Secondary
CWE-250

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	nagios	nagios_xi	< 5.8.7	Yes

References

https://www.nagios.com/changelog/nagios-xi/ Release Notes ([email protected])
https://www.vulncheck.com/advisories/nagios-xi-insecure-permissions-on-highcharts-temporary-directory Third Party Advisory ([email protected])