CVE-2021-47700

EUVD-2021-34705
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 25%
Affected Products (NVD)
VendorProductVersion
nagiosnagios_xi
𝑥
< 5.8.7
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.nagios.com/changelog/nagios-xi/
https://www.vulncheck.com/advisories/nagios-xi-insecure-permissions-on-highcharts-temporary-directory