CVE-2023-39301

mediumpriority · track · 17EPSS 0.003 · 27 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.34% (27th) EPSS

CVSS 4.3 · medium

Is it mine?

10 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · cert_bund

EPSS · scored 2026-10-27

A server-side request forgery (SSRF) vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to read application data via a network. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2514 build 20230906 and later QTS 5.1.1.2491 build 20230815 and later QuTS hero h5.0.1.2515 build 20230907 and later QuTS hero h5.1.1.2488 build 20230812 and later QuTScloud c5.1.0.2498 and later

cvss

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

4.3

010

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

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 1.4

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · ENISA EU

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · security@qnapsecurity.com.twexploitability 2.8 · impact 1.4

v3.14mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:Usecondary · 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-918US

affected products (10)

Products and version ranges known to be affected.

QNAP Systems Inc. QTS5.0.x → 5.0.1.2514 build 20230906enisa_euvdEU
QNAP Systems Inc. QTS5.1.x → 5.1.1.2491 build 20230815enisa_euvdEU
QNAP Systems Inc. QuTS heroh5.0.x → h5.0.1.2515 build 20230907enisa_euvdEU
QNAP Systems Inc. QuTS heroh5.1.x → h5.1.1.2488 build 20230812enisa_euvdEU
QNAP Systems Inc. QuTScloudc5.x.x → c5.1.0.2498enisa_euvdEU
qnap qts< 5.0.1.2514nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts< 5.1.1.2491nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap quts hero< h5.0.1.2515nvdUScpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*
qnap quts hero< h5.1.1.2488nvdUScpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*
qnap qutscloud< c5.1.0.2498nvdUScpe:2.3:o:qnap:qutscloud:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2829QNAP NAS: Mehrere SchwachstellenDeutsch2023-11-05csaf · cert_bundDE
Ein entfernter Angreifer kann mehrere Schwachstellen in QNAP NAS ausnutzen, um beliebigen Code auszuführen 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 nvd cert_bund NVD CVE.org MITRE

published 2023-11-03modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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