CWE
287
EPSS
0.091%
Advisory Published
Updated

CVE-2023-39303: QTS, QuTS hero, QuTScloud

First published: Fri Feb 02 2024(Updated: )

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 QuTS hero h5.1.3.2578 build 20231110 and later QuTScloud c5.1.5.2651 and later

Credit: security@qnapsecurity.com.tw

Affected SoftwareAffected VersionHow to fix
QNAP QTS=5.1.0.2348-build_20230325
QNAP QTS=5.1.0.2399-build_20230515
QNAP QTS=5.1.0.2418-build_20230603
QNAP QTS=5.1.0.2444-build_20230629
QNAP QTS=5.1.0.2466-build_20230721
QNAP QTS=5.1.1.2491-build_20230815
QNAP QTS=5.1.2.2533-build_20230926
QNAP QTS=5.1.3.2578
QNAP QuTS hero=h5.1.0.2409-build_20230525
QNAP QuTS hero=h5.1.0.2424-build_20230609
QNAP QuTS hero=h5.1.0.2453-build_20230708
QNAP QuTS hero=h5.1.0.2466-build_20230721
QNAP QuTS hero=h5.1.1.2488-build_20230812
QNAP QuTS hero=h5.1.2.2534-build_20230927
QNAP QuTS hero=h5.1.3.2578
QNAP QuTScloud=c5.1.0.2498-build_20230822

Remedy

We have already fixed the vulnerability in the following versions: QTS 5.1.3.2578 build 20231110 and later QuTS hero h5.1.3.2578 build 20231110 and later QuTScloud c5.1.5.2651 and later

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Frequently Asked Questions

  • What is the severity of CVE-2023-39303?

    CVE-2023-39303 has been classified as a critical vulnerability due to its impact on authentication security.

  • How do I fix CVE-2023-39303?

    You can mitigate CVE-2023-39303 by upgrading to the latest version of QNAP QTS or QuTS hero that has addressed the vulnerability.

  • Which QNAP operating systems are affected by CVE-2023-39303?

    CVE-2023-39303 affects multiple QNAP QTS and QuTS Hero versions prior to the latest updates.

  • Can CVE-2023-39303 be exploited remotely?

    Yes, CVE-2023-39303 can be exploited over a network, allowing unauthorized access to the affected systems.

  • What is the impact of exploiting CVE-2023-39303?

    Exploitation of CVE-2023-39303 may allow an attacker to compromise the security of the QNAP system, potentially leading to data loss or unauthorized access.

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