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Vulnerable Software

Vulnerability Details CVE-2023-39303

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
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 41.3%
CVSS Severity
CVSS v3 Score 5.3
Products affected by CVE-2023-39303
  • Qnap » Qts » Version: 5.1.0.2348
    cpe:2.3:o:qnap:qts:5.1.0.2348
  • Qnap » Qts » Version: 5.1.0.2399
    cpe:2.3:o:qnap:qts:5.1.0.2399
  • Qnap » Qts » Version: 5.1.0.2418
    cpe:2.3:o:qnap:qts:5.1.0.2418
  • Qnap » Qts » Version: 5.1.0.2444
    cpe:2.3:o:qnap:qts:5.1.0.2444
  • Qnap » Qts » Version: 5.1.0.2466
    cpe:2.3:o:qnap:qts:5.1.0.2466
  • Qnap » Qts » Version: 5.1.1.2491
    cpe:2.3:o:qnap:qts:5.1.1.2491
  • Qnap » Qts » Version: 5.1.2.2533
    cpe:2.3:o:qnap:qts:5.1.2.2533
  • Qnap » Qts » Version: 5.1.3.2578
    cpe:2.3:o:qnap:qts:5.1.3.2578
  • Qnap » Quts Hero » Version: h5.1.0.2409
    cpe:2.3:o:qnap:quts_hero:h5.1.0.2409
  • Qnap » Quts Hero » Version: h5.1.0.2424
    cpe:2.3:o:qnap:quts_hero:h5.1.0.2424
  • Qnap » Quts Hero » Version: h5.1.0.2453
    cpe:2.3:o:qnap:quts_hero:h5.1.0.2453
  • Qnap » Quts Hero » Version: h5.1.0.2466
    cpe:2.3:o:qnap:quts_hero:h5.1.0.2466
  • Qnap » Quts Hero » Version: h5.1.1.2488
    cpe:2.3:o:qnap:quts_hero:h5.1.1.2488
  • Qnap » Quts Hero » Version: h5.1.2.2534
    cpe:2.3:o:qnap:quts_hero:h5.1.2.2534
  • Qnap » Quts Hero » Version: h5.1.3.2578
    cpe:2.3:o:qnap:quts_hero:h5.1.3.2578
  • Qnap » Qutscloud » Version: c5.1.0.2498
    cpe:2.3:o:qnap:qutscloud:c5.1.0.2498


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