CVE-2023-39296

highpriority · track · 31EPSS 0.016 · 75 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.56% (75th) EPSS

CVSS 7.5 · high

Is it mine?

17 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

A prototype pollution vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to override existing attributes with ones that have incompatible type, which may lead to a crash via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.3.2578 build 20231110 and later QuTS hero h5.1.3.2578 build 20231110 and later

cvss

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

7.5

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:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · security@qnapsecurity.com.twexploitability 3.9 · impact 3.6

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

ssvc

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

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1321USCWE-1321US

affected products (17)

Products and version ranges known to be affected.

QNAP Systems Inc. QTS5.1.x → 5.1.3.2578 build 20231110enisa_euvdEU
QNAP Systems Inc. QuTS heroh5.1.x → h5.1.3.2578 build 20231110enisa_euvdEU
QNAP Systems, Inc. QTS5.1.0 → 5.1.3.2578 build 20231110fstec_bduRU
QNAP Systems, Inc. QuTS heroh5.1.0 → h5.1.3.2578 build 20231110fstec_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:*:*:*:*:*:*:*:*
qnap qts= 5.1.2.2533nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap quts hero= h5.1.0.2409nvdUScpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*
qnap quts hero= h5.1.0.2424nvdUScpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*
qnap quts hero= h5.1.0.2453nvdUScpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*
qnap quts hero= h5.1.0.2466nvdUScpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*
qnap quts hero= h5.1.1.2488nvdUScpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*
qnap quts hero= h5.1.2.2534nvdUScpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-0018QNAP NAS: Mehrere SchwachstellenDeutsch2024-01-07csaf · cert_bundDE
Ein entfernter Angreifer kann mehrere Schwachstellen in QNAP NAS ausnutzen, um beliebigen Code auszuführen, einen Denial-of-Service-Zustand zu verursachen, Dateien zu manipulieren oder einen Cross-Site-Scripting-Angriff durchzuführen.

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 cert_bund NVD CVE.org MITRE

published 2024-01-05modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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