CVE-2023-47564

highpriority · track · 42EPSS 0.010 · 63 %ileexploit · PoCEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

1.01% (63rd) EPSS

CVSS 8.1 · high

Is it mine?

6 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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

cvss

Technical severity, 0–10. One row per scoring source.

8.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 5.2

v3.18highAV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18highCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.18highCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:Hsecondary · security@qnapsecurity.com.twexploitability 2.1 · impact 5.9

v3.17.7highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:Psecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-732USCWE-732US

exploits (1)

Public proof-of-concept and weaponised exploit code.

C411e/CVE-2023-47564CVE-2023-47564PoC · poc_in_github

affected products (6)

Products and version ranges known to be affected.

QNAP Systems Inc. Qsync Central4.3.x.x → 4.3.0.11 ( 2024/01/11 )enisa_euvdEU
QNAP Systems Inc. Qsync Central4.4.x.x → 4.4.0.15 ( 2024/01/04 )enisa_euvdEU
QNAP Systems, Inc. Qsync Central4.3.0 → 4.3.0.11fstec_bduRU
QNAP Systems, Inc. Qsync Central4.4.0 → 4.4.0.15fstec_bduRU
qnap qsync central4.3.0.0 → 4.3.0.11nvdUScpe:2.3:a:qnap:qsync_central:*:*:*:*:*:*:*:*
qnap qsync central4.4.0.0 → 4.4.0.15nvdUScpe:2.3:a:qnap:qsync_central:*:*:*:*:*:*:*:*

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2024-02-02modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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