Main Vulnerability Database Vulnerabilities #VU86090

Improper Authentication in QNAP Systems, Inc. products - CVE-2023-39303

Published: February 5, 2024

Vulnerability identifier: #VU86090

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-39303

CWE-ID: CWE-287

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests. A remote user can bypass authentication process and gain unauthorized access to the application.

Affected software

QuTScloud
QuTS hero
QNAP QTS

How to mitigate CVE-2023-39303

Install updates from vendor's website.

QuTScloud - update to c5.1.5.2651
QuTS hero - update to h5.1.3.2578 build 20231110
QNAP QTS - update to 5.1.3.2578 20231110

External References

https://www.qnap.com/en/security-advisory/qsa-23-33

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