CVE-2023-50359
CVE-2023-50359 is a low-severity vulnerability in Qnap Qts with a CVSS 3.x base score of 3.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-252.
Key facts
- Severity: Low (CVSS 3.x base score 3.4)
- EPSS exploit prediction: 0% (5th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-55160
- Weakness: CWE-252
- Affected product: Qnap Qts
- Published:
- Last modified:
Description
An unchecked return value vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow local authenticated administrators to place the system in a state that could lead to a crash or other unintended behaviors via unspecified vectors. We have already fixed the vulnerability in the following versions: QTS 5.1.5.2645 build 20240116 and later QuTS hero h5.1.5.2647 build 20240118 and later
Frequently asked questions
- What is CVE-2023-50359?
- An unchecked return value vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow local authenticated administrators to place the system in a state that could lead to a crash or other unintended behaviors via unspecified vectors. We have already fixed the vulnerability in the following versions: QTS 5.1.5.2645 build 20240116 and later QuTS hero h5.1.5.2647 build 20240118 and later
- How severe is CVE-2023-50359?
- CVE-2023-50359 has a CVSS 3.x base score of 3.4, rated low severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
- Is CVE-2023-50359 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-50359?
- CVE-2023-50359 primarily affects Qnap Qts. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-50359?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2023-50359 have an EU (EUVD) identifier?
- Yes. CVE-2023-50359 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-55160.
- When was CVE-2023-50359 published?
- CVE-2023-50359 was published on 2024-02-02 and last updated on 2026-06-17.
References
Affected products (20)
- cpe:2.3:o:qnap:qts:5.1.0.2348:build_20230325:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:5.1.0.2399:build_20230515:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:5.1.0.2418:build_20230603:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:5.1.0.2444:build_20230629:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:5.1.0.2466:build_20230721:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:5.1.1.2491:build_20230815:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:5.1.2.2533:build_20230926:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:5.1.3.2578:build_20231110:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:5.1.4.2596:build_20231128:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:5.1.5.2645:-:*:*:*:*:*:*
- cpe:2.3:o:qnap:quts_hero:h5.1.0.2409:build_20230525:*:*:*:*:*:*
- cpe:2.3:o:qnap:quts_hero:h5.1.0.2424:build_20230609:*:*:*:*:*:*
- cpe:2.3:o:qnap:quts_hero:h5.1.0.2453:build_20230708:*:*:*:*:*:*
- cpe:2.3:o:qnap:quts_hero:h5.1.0.2466:build_20230721:*:*:*:*:*:*
- cpe:2.3:o:qnap:quts_hero:h5.1.1.2488:build_20230812:*:*:*:*:*:*
- cpe:2.3:o:qnap:quts_hero:h5.1.2.2534:build_20230927:*:*:*:*:*:*
- cpe:2.3:o:qnap:quts_hero:h5.1.3.2578:build_20231110:*:*:*:*:*:*
- cpe:2.3:o:qnap:quts_hero:h5.1.4.2596:build_20231128:*:*:*:*:*:*
- cpe:2.3:o:qnap:quts_hero:h5.1.5.2647:-:*:*:*:*:*:*
- cpe:2.3:o:qnap:qutscloud:c5.1.0.2498:build_20230822:*:*:*:*:*:*
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