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High severity7.1NVD Advisory· Published Aug 24, 2023· Updated Jun 17, 2026

CVE-2023-34971

CVE-2023-34971

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

6
  • Qnap/Qts2 versions
    cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*range: >=4.5.4,<4.5.4.2467
    • (no CPE)range: 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
  • Qnap/Quts Hero2 versions
    cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*range: >=h4.5.4,<h4.5.4.2476
    • (no CPE)range: QuTS hero h5.1.0.2424 build 20230609 and later, QuTS hero h4.5.4.2476 build 20230728 and later
  • QNAP Systems Inc./QTScpe-rescue
    Range: 5.0.*
  • QNAP Systems Inc./QuTS herocpe-rescue
    Range: h5.1.*

Patches

Vulnerability mechanics

References

1

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