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Vulnerability record · CVE-2021-47700 · published 30 October 2025

CVE-2021-47700: Nagios xi execution with unnecessary privileges vulnerability

Nagios · Nagios Xi

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.

8.5 CVSS 4.0 High EPSS 0.33% · top 76.7% CWE-250 · Execution with unnecessary privileges
8.5CVSS 4.0 base score
0.33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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: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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2021-25296Nagios XI Windows WMI Config Wizard OS Command InjectionNagios XI 5.7.5 fails to sanitize authenticated user input in the windowswmi config wizard file, allowing OS command injection. Because the affected …KEVEPSS 72%analysed8.8CVE-2021-25297Nagios XI switch config wizard OS command injectionNagios XI 5.7.5 fails to sanitize authenticated user input in the switch configuration wizard file switch.inc.php, allowing OS command injection via …KEVEPSS 57%analysed8.8CVE-2021-25298Nagios XI cloud-vm config wizard OS command injectionNagios XI 5.7.5 fails to properly sanitize authenticated user input in /usr/local/nagiosxi/html/includes/configwizards/cloud-vm/cloud-vm.inc.php, all…KEVEPSS 75%analysed8.8CVE-2019-15949Nagios XI getprofile.sh command injection allows root code executionNagios XI before 5.6.6 runs the getprofile.sh script as root through a passwordless sudo entry when a system profile is downloaded. Because that scri…KEVEPSS 77%analysed9.8CVE-2024-24401Nagios XI monitoringwizard.php SQL injection allows remote code executionNagios XI 2024R1.01 contains a SQL injection flaw in the monitoringwizard.php component. A remote attacker can send a crafted payload that leads to a…EPSS 46%analysed9.8CVE-2024-24402Nagios xi improper privilege management vulnerabilityAn issue in Nagios XI 2024R1.01 allows a remote attacker to escalate privileges via a crafted script to the /usr/local/nagios/bin/npcd component.EPSS 3.4%9.8CVE-2023-48085Nagios XI command_test.php remote code executionNagios XI before 5.11.3 contains a remote code execution flaw in the command_test.php component, classified as code injection (CWE-94). The CVSS 3.1 …EPSS 76%analysed9.8CVE-2023-48084Nagios xi sql injection vulnerabilityNagios XI before version 5.11.3 was discovered to contain a SQL injection vulnerability via the bulk modification tool.EPSS 34%

Source: NIST National Vulnerability Database (record CVE-2021-47700), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.