CVE-2022-27600

highpriority · track · 30OT risk · elevatedEPSS 0.006 · 48 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.59% (48th) EPSS

CVSS 7.5 · high

Is it mine?

20 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-28

An uncontrolled resource consumption vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2277 and later QTS 4.5.4.2280 build 20230112 and later QuTS hero h5.0.1.2277 build 20230112 and later QuTS hero h4.5.4.2374 build 20230417 and later QuTScloud c5.0.1.2374 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⚠ sources disagree · medium–high · 6.8–7.5

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

v3.16.8mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:Hsecondary · ENISA EU

v3.16.8mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:Hsecondary · security@qnapsecurity.com.twexploitability 2.2 · impact 4

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/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-400USCWE-400USCWE-798US

affected products (20)

Products and version ranges known to be affected.

QNAP Systems Inc. QTS4.5.x → 4.5.4.2280 build 20230112enisa_euvdEU
QNAP Systems Inc. QTS5.0.x → 5.0.1.2277enisa_euvdEU
QNAP Systems Inc. QuTS heroh4.5.x → h4.5.4.2374 build 20230417enisa_euvdEU
QNAP Systems Inc. QuTS heroh5.0.x → h5.0.1.2277 build 20230112enisa_euvdEU
QNAP Systems Inc. QuTScloudc5.x.x → c5.0.1.2374enisa_euvdEU
QNAP Systems, Inc. QTS≤ 5.0.1.2277 build 20230112fstec_bduRU
QNAP Systems, Inc. QTS≤ 4.5.4.2280 build 20230112fstec_bduRU
QNAP Systems, Inc. QVR Pro≤ 2.3.1.0476fstec_bduRU
QNAP Systems, Inc. QuTS hero≤ h4.5.4.2374 build 20230417fstec_bduRU
QNAP Systems, Inc. QuTS hero≤ h5.0.1.2277 build 20230112fstec_bduRU
QNAP Systems, Inc. QuTScloud≤ c5.0.1.2374 build 20230419fstec_bduRU
qnap qts4.5.1 → 4.5.4.2280nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 4.5.4.2280nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts5.0.0 → 5.0.1.2277nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 5.0.1.2277nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap quts heroh4.5.1 → h4.5.4.2374nvdUScpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*
qnap quts hero= h4.5.4.2374nvdUScpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*
qnap quts heroh5.0 → h5.0.1.2277nvdUScpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*
qnap quts hero= h5.0.1.2277nvdUScpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*
qnap qutscloudc5.0.1 → c5.0.1.2374nvdUScpe:2.3:o:qnap:qutscloud:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1907QNAP NAS: Schwachstelle ermöglicht Denial of ServiceDeutsch2023-07-27csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in QNAP NAS ausnutzen, um einen Denial of Service 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 2024-12-19modified 2026-06-17

references (3)

External citations — patches, advisories, analysis.

scry

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