CVE-2021-47700
Nagios XI < 5.8.7 Insecure Permissions on Highcharts Temporary Directory
- State
- Published
- Severity
- 8.5 High
- Published
- Oct 30, 2025
- Updated
- Nov 17, 2025
- Reserved
- Oct 30, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.5 High | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
Weaknesses
- CWE-250 Execution with Unnecessary Privileges
Affected Products
| Product | Versions |
|---|---|
XINagios |
|
References
- https://www.nagios.com/changelog/nagios-xi/release-notespatch
- https://www.vulncheck.com/advisories/nagios-xi-insecure-permissions-on-highcharts-temporary-directorythird-party-advisory
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