CVE-2023-45026
CVE-2023-45026 is a medium-severity vulnerability in Qnap Qts with a CVSS 3.x base score of 5.5. 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-22.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (36th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-49347
- Weakness: CWE-22
- Affected product: Qnap Qts
- Published:
- Last modified:
Description
A path traversal vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to read the contents of unexpected files and expose sensitive data via a network. 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 QuTScloud c5.1.5.2651 and later
Frequently asked questions
- What is CVE-2023-45026?
- A path traversal vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to read the contents of unexpected files and expose sensitive data via a network. 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 QuTScloud c5.1.5.2651 and later
- How severe is CVE-2023-45026?
- CVE-2023-45026 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
- Is CVE-2023-45026 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-45026?
- CVE-2023-45026 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-2023-45026?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2023-45026 have an EU (EUVD) identifier?
- Yes. CVE-2023-45026 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-49347.
- When was CVE-2023-45026 published?
- CVE-2023-45026 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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