AUGUST 4, 2026
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Case File

CVE-2021-47700

HIGH · CVSS 7.8 EPSS 0.33% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-10-30 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. It affects Apache. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-47700
Severity
HIGH
CVSS
7.8
EPSS
0.33%
Apache

Original 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)