CVE-2023-50361

highpriority · track · 35EPSS 0.008 · 55 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.76% (55th) EPSS

CVSS 8.8 · high

Is it mine?

35 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to execute code via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.6.2722 build 20240402 and later QuTS hero h5.1.6.2734 build 20240414 and later

cvss

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

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–8.8

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.15mediumAV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:Nsecondary · ENISA EU

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:Nsecondary · security@qnapsecurity.com.twexploitability 3.1 · impact 1.4

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · 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-120USCWE-120USCWE-121USCWE-121US

affected products (35)

Products and version ranges known to be affected.

QNAP NAS QTS <4.5.4.2627 build 20231225all versionscert_bundDE
QNAP NAS QTS <5.1.3.2578 build 20231110all versionscert_bundDE
QNAP NAS QTS <5.1.4.2596 build 20231128all versionscert_bundDE
QNAP NAS QuTS hero <h4.5.4.2626 build 20231225all versionscert_bundDE
QNAP NAS QuTS hero <h5.1.3.2578 build 20231110all versionscert_bundDE
QNAP NAS≤ QuTS hero <h4.5.4.2626 build 20231225cert_bundDE
QNAP NAS≤ QTS <4.5.4.2627 build 20231225cert_bundDE
QNAP NAS≤ QTS <5.1.3.2578 build 20231110cert_bundDE
QNAP NAS≤ QTS <5.1.4.2596 build 20231128cert_bundDE
QNAP NAS≤ QuTS hero <h5.1.3.2578 build 20231110cert_bundDE
QNAP Systems Inc. QTS5.1.x → 5.1.6.2722 build 20240402enisa_euvdEU
QNAP Systems Inc. QuTS heroh5.1.x → h5.1.6.2734 build 20240414enisa_euvdEU
QNAP Systems, Inc. QTS5.1 → 5.1.6.2722 build 20240402fstec_bduRU
QNAP Systems, Inc. QuTS heroh5.1 → h5.1.6.2734 build 20240414fstec_bduRU
qnap qts= 5.1.0.2348nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 5.1.0.2399nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 5.1.0.2418nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 5.1.0.2444nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 5.1.0.2466nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 5.1.1.2491nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*

showing 20 of 35

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 (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu 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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