CVE-2021-47700
HIGH EPSS 23.8%
Published Oct 30, 20258mo ago · Modified Jun 17, 20261w ago
8.5 CVSS 4.0
Published Oct 30, 2025 8mo ago
Last Modified Jun 17, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
23.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-250
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| nagios | nagios_xi | * | <5.8.7 |
References 2
- nagios.com https://www.nagios.com/changelog/nagios-xi/
- vulncheck.com https://www.vulncheck.com/advisories/nagios-xi-insecure-permissions-on-highcharts-temporary-directory
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.