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Case File

CVE-2023-40834

CRITICAL · CVSS 9.8 EPSS 1.09% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-09-12 · 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. Exploitation may require the attacker to be authenticated.

Public Exploit Signal

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

External Security References

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

CVE
CVE-2023-40834
Severity
CRITICAL
CVSS
9.8
EPSS
1.09%

Original NVD Description

OpenCart CMS v4.0.2.2 was discovered to lack a protective mechanism on its login page against excessive login attempts, allowing unauthenticated attackers to gain access to the application via a brute force attack to the password parameter.

Related CVEs

Other vulnerabilities affecting the same vendor(s)