How severe is CVE-2023-47564?

CVE-2023-47564 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-47564 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-47564?

CVE-2023-47564 affects Qnap Qsync Central. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-47564?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-47564 have an EU (EUVD) identifier?

Yes. CVE-2023-47564 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-51675.

When was CVE-2023-47564 published?

CVE-2023-47564 was published on 2024-02-02 and last updated on 2026-06-17.

CVE-2023-47564

CVE-2023-47564 is a high-severity vulnerability in Qnap Qsync Central with a CVSS 3.x base score of 8.0. 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-732.

Key facts

Severity: High (CVSS 3.x base score 8.0)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-51675
Weakness: CWE-732
Affected product: Qnap Qsync Central
Published: 2024-02-02
Last modified: 2026-06-17

Description

An incorrect permission assignment for critical resource vulnerability has been reported to affect Qsync Central. If exploited, the vulnerability could allow authenticated users to read or modify the resource via a network. We have already fixed the vulnerability in the following versions: Qsync Central 4.4.0.15 ( 2024/01/04 ) and later Qsync Central 4.3.0.11 ( 2024/01/11 ) and later

Frequently asked questions

What is CVE-2023-47564?: An incorrect permission assignment for critical resource vulnerability has been reported to affect Qsync Central. If exploited, the vulnerability could allow authenticated users to read or modify the resource via a network. We have already fixed the vulnerability in the following versions: Qsync Central 4.4.0.15 ( 2024/01/04 ) and later Qsync Central 4.3.0.11 ( 2024/01/11 ) and later
How severe is CVE-2023-47564?: CVE-2023-47564 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-47564 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-47564?: CVE-2023-47564 affects Qnap Qsync Central. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-47564?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-47564 have an EU (EUVD) identifier?: Yes. CVE-2023-47564 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-51675.
When was CVE-2023-47564 published?: CVE-2023-47564 was published on 2024-02-02 and last updated on 2026-06-17.

References

https://www.qnap.com/en/security-advisory/qsa-24-03

Affected products (1)

cpe:2.3:a:qnap:qsync_central:*:*:*:*:*:*:*:*

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