CVE-2021-47700

HIGH EPSS 23.8%
Published Oct 30, 20258mo ago · Modified Jun 17, 20261w ago
8.5 CVSS 4.0
High
Find Similar
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
8.5
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

VendorProductVersionRange
nagiosnagios_xi* <5.8.7

References 2

  • nagios.com https://www.nagios.com/changelog/nagios-xi/
    Release Notes
  • vulncheck.com https://www.vulncheck.com/advisories/nagios-xi-insecure-permissions-on-highcharts-temporary-directory
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.