AUGUST 4, 2026
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Case File

CVE-2021-40643

CRITICAL · CVSS 9.8 EPSS 2.68% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-06-30 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

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

Detected Signals
remote code execution code execution

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

CVE
CVE-2021-40643
Severity
CRITICAL
CVSS
9.8
EPSS
2.68%

Original NVD Description

EyesOfNetwork before 07-07-2021 has a Remote Code Execution vulnerability on the mail options configuration page. In the location of the "sendmail" application in the "cacti" configuration page (by default/usr/sbin/sendmail) it is possible to execute any command, which will be executed when we make a test of the configuration ("send test mail").

Related CVEs

Other vulnerabilities affecting the same vendor(s)