All vulnerabilities

Servers and applications

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.

Severity
High 8.5
Published
30 Oct 2025
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
5.8.7
Sources
NVD

Affected software

SoftwareAffected versions
Nagios XIServers and applications · cpe:a:nagios:nagios_xi
  • Every version before 5.8.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-47700
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-47700