CVE-2024-21899

CRITICAL EXPLOITED

Qnap Qts < 4.5.4.2627 - Authentication Bypass

Title source: rule

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

Exploits (1)

inthewild

poc

https://github.com/johnhormond/cve-2024-21899-rce-exploit

View on inthewild

References (1)

[Vendor Advisory] https://www.qnap.com/en/security-advisory/qsa-24-09

Scores

CVSS v3 9.8

EPSS 0.1141

EPSS Percentile 93.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

VulnCheck KEV 2024-03-18

CWE

CWE-287

Status published

Products (7)

qnap/qts 4.5.4.2627

qnap/qts 5.1.3.2578

qnap/qts < 4.5.4.2627

qnap/qutscloud < c5.1.5.2651

qnap/quts_hero h4.5.4.2626

qnap/quts_hero h5.1.3.2578

qnap/quts_hero < h4.5.4.2626

Published Mar 08, 2024

Tracked Since Feb 18, 2026