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    CVE-2023-34971

    An inadequate encryption strength vulnerability has been reported to affect QNAP operating systems. If exploited, the vulnerability possibly allows local network clients to decrypt the data using brute force attacks via unspecified vectors. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2425 build 20230609 and later QTS 5.1.0.2444 build 20230629 and later QTS 4.5.4.2467 build 20230718 and later QuTS hero h5.1.0.2424 build 20230609 and later QuTS hero h4.5.4.2476 build 20230728 and later

    Published:Aug 24, 2023
    Last Modified:Nov 21, 2024
    EPS:Aug 24, 2023
    EPSS Score:0.00052
    CVSS Score:7.1

    Affected Products

    Vendor
    Qnap
    Product
    Qts
    Vendor
    Qnap
    Product
    Quts Hero

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-326 Inadequate Encryption Strength

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-112 Brute Force
    CAPEC-192 Protocol Analysis
    CAPEC-20 Encryption Brute Forcing

    Related CVEs

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    CVE-2026-24717 (CVSS 1.2) — A path traversal vulnerability has been reported to affect several QNAP operating system versions. If a remote…
    CVE-2026-24716 (CVSS 1.2) — A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. I…
    CVE-2026-22893 (CVSS 8.6) — A command injection vulnerability has been reported to affect several QNAP operating system versions. If a rem…
    CVE-2025-66281 (CVSS 6.9) — A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. T…
    CVE-2025-66280 (CVSS 5.1) — An integer overflow or wraparound vulnerability has been reported to affect several QNAP operating system vers…
    CVE-2025-66279 (CVSS 8.6) — A command injection vulnerability has been reported to affect several QNAP operating system versions. If a rem…
    CVE-2025-66273 (CVSS 8.6) — A command injection vulnerability has been reported to affect several QNAP operating system versions. If a rem…
    CVE-2025-66276 (CVSS 9.2) — QuTS hero is not affected. We have already fixed the vulnerability in the following version: QTS 5.2.7.3256 b…
    CVE-2025-62858 (CVSS 5.1) — A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remot…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High