CVE-2021-47700

High

Description

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.

SeverityHigh
CVSS7.8
Exploit probability—
ProductNagios Xi
PublishedOct 30, 2025
First seenOct 30, 2025
Weakness typeCWE-250CWE-250

How to fix

Update
  • nagios nagios_xi5.8.7 or later

Affected products

ProductAffected versionsFixed in
nagios nagios_xiv < 5.8.75.8.7

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