CVE-2023-39300

highpriority · track · 29EPSS 0.012 · 68 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.21% (68th) EPSS

CVSS 7.2 · high

Is it mine?

80 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

An OS command injection vulnerability has been reported to affect legacy QTS. If exploited, the vulnerability could allow authenticated administrators to execute commands via a network. We have already fixed the vulnerability in the following versions: QTS 4.3.6.2805 build 20240619 and later QTS 4.3.4.2814 build 20240618 and later QTS 4.3.3.2784 build 20240619 and later QTS 4.2.6 build 20240618 and later

cvss

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

7.2

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7.2

v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.2 · impact 5.9

v3.17.2highAV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · security@qnapsecurity.com.twexploitability 1.2 · impact 5.9

v3.16.6mediumCVSS:3.1/AV:N/AC:L/PR:H/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-284USCWE-78US

affected products (80)

Products and version ranges known to be affected.

QNAP NAS QTS <4.2.6all versionscert_bundDE
QNAP NAS QTS <4.3.3.2784all versionscert_bundDE
QNAP NAS QTS <4.3.4.2814all versionscert_bundDE
QNAP NAS QTS <4.3.6.2805all versionscert_bundDE
QNAP NAS≤ QTS <4.3.3.2784cert_bundDE
QNAP NAS≤ QTS <4.3.4.2814cert_bundDE
QNAP NAS≤ QTS <4.2.6cert_bundDE
QNAP NAS≤ QTS <4.3.6.2805cert_bundDE
QNAP Systems Inc. QTS4.2.6 → 4.2.6 build 20240618enisa_euvdEU
QNAP Systems Inc. QTS4.3.3 → 4.3.3.2784 build 20240619enisa_euvdEU
QNAP Systems Inc. QTS4.3.4 → 4.3.4.2814 build 20240618enisa_euvdEU
QNAP Systems Inc. QTS4.3.6 → 4.3.6.2805 build 20240619enisa_euvdEU
QNAP Systems, Inc. QTS≤ 4.2.6 build 20240618fstec_bduRU
QNAP Systems, Inc. QTS4.3.3 → 4.3.3.2784 build 20240619fstec_bduRU
QNAP Systems, Inc. QTS4.3.4 → 4.3.4.2814 build 20240618fstec_bduRU
QNAP Systems, Inc. QTS4.3.6 → 4.3.6.2805 build 20240619fstec_bduRU
qnap qts= 4.2.6nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 4.3.3.0174nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 4.3.3.0868nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 4.3.3.0998nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*

showing 20 of 80

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-2077QNAP NAS QTS and QuTS hero: Mehrere SchwachstellenDeutsch2024-09-08csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in QNAP NAS ausnutzen, um beliebigen Programmcode auszuführen, Sicherheitsmaßnahmen zu umgehen und erweiterte Rechte zu erlangen.

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 2024-09-06modified 2026-06-17

references (5)

External citations — patches, advisories, analysis.

scry

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