CVE-2023-51364

highpriority · track · 44EPSS 0.397 · 99 %ileDEEUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

39.7% (99th) EPSS

CVSS 7.5 · high

Is it mine?

19 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

A path traversal vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users 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 5.1.4.2596 build 20231128 and later QTS 4.5.4.2627 build 20231225 and later QuTS hero h5.1.3.2578 build 20231110 and later QuTS hero h4.5.4.2626 build 20231225 and later QuTScloud c5.1.5.2651 and later

cvss

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

8.7

010

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

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.18.7highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:Hsecondary · ENISA EU

v3.18.7highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:Hsecondary · security@qnapsecurity.com.twexploitability 2.2 · impact 5.8

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Hsecondary · CVSS-BT (t0sche)

ssvc

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

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-22US

affected products (19)

Products and version ranges known to be affected.

QNAP NAS QTS <5.1.3.2578 build 20231110all versionscert_bundDE
QNAP NAS≤ QTS <5.1.3.2578 build 20231110cert_bundDE
QNAP Systems Inc. QTSall versionsenisa_euvdEU
QNAP Systems Inc. QTS4.5.x → 4.5.4.2627 build 20231225enisa_euvdEU
QNAP Systems Inc. QTS5.1.x → 5.1.4.2596 build 20231128enisa_euvdEU
QNAP Systems Inc. QuTS heroall versionsenisa_euvdEU
QNAP Systems Inc. QuTS heroh4.5.x → h4.5.4.2626 build 20231225enisa_euvdEU
QNAP Systems Inc. QuTS heroh5.1.x → h5.1.3.2578 build 20231110enisa_euvdEU
QNAP Systems Inc. QuTScloudall versionsenisa_euvdEU
QNAP Systems Inc. QuTScloudc5.x.x → c5.1.5.2651enisa_euvdEU
qnap qts4.5.1 → 4.5.4.2627nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 4.5.4.2627nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts5.1.0 → 5.1.4.2596nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 5.1.4.2596nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap quts heroh4.5.0 → h4.5.4.2626nvdUScpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*
qnap quts hero= h4.5.4.2626nvdUScpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*
qnap quts heroh5.1.0 → h5.1.3.2578nvdUScpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*
qnap quts hero= h5.1.3.2578nvdUScpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*
qnap qutscloudc5.0.0.1919 → c5.1.5.2651nvdUScpe:2.3:o:qnap:qutscloud:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-0985QNAP NAS: Mehrere SchwachstellenDeutsch2024-04-28csaf · cert_bundDE
Ein entfernter Angreifer kann mehrere Schwachstellen in QNAP NAS ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen oder vertrauliche Informationen offenzulegen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2024-04-26modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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