AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2024-21899

CRITICAL · CVSS 9.8 EPSS 24.37% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2024-03-08 · 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. Its EPSS score suggests a 24.4% 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.

Detected Signals
exploit

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

CVE
CVE-2024-21899
Severity
CRITICAL
CVSS
9.8
EPSS
24.37%

Original NVD Description

An improper authentication vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to compromise the security of the system via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.3.2578 build 20231110 and later QTS 4.5.4.2627 build 20231225 and later QuTS hero h5.1.3.2578 build 20231110 and later QuTS hero h4.5.4.2626 build 20231225 and later QuTScloud c5.1.5.2651 and later

Related CVEs

Other vulnerabilities affecting the same vendor(s)