AUGUST 4, 2026
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Case File

CVE-2021-40345

HIGH · CVSS 7.2 EPSS 23.04% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-10-26 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.2. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 23.0% probability of exploitation in the next 30 days.

Public Exploit Signal

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

GitHub PoC Links

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

CVE
CVE-2021-40345
Severity
HIGH
CVSS
7.2
EPSS
23.04%

Original NVD Description

An issue was discovered in Nagios XI 5.8.5. In the Manage Dashlets section of the Admin panel, an administrator can upload ZIP files. A command injection (within the name of the first file in the archive) allows an attacker to execute system commands.

Related CVEs

Other vulnerabilities affecting the same vendor(s)