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No exploitation reported

CVE-2023-23368

No exploitation reported by the sources we read.

  • Published2023-11-03
  • WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An OS command injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to execute commands via a network. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2376 build 20230421 and later QTS 4.5.4.2374 build 20230416 and later QuTS hero h5.0.1.2376 build 20230421 and later QuTS hero h4.5.4.2374 build 20230417 and later QuTScloud c5.0.1.2374 and later

Timeline

dates in UTC
  1. 2023-11-0317:15CVE publishedNVD
  2. 2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-23368?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-23368?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Qnap qts
BranchAffectedFixed in
5.0= 5.0.1no fix published
5.0= 5.0.1.2034no fix published
5.0= 5.0.1.2079no fix published
5.0= 5.0.1.2131no fix published
5.0= 5.0.1.2137no fix published
5.0= 5.0.1.2145no fix published
5.0= 5.0.1.2173no fix published
5.0= 5.0.1.2194no fix published
5.0= 5.0.1.2234no fix published
5.0= 5.0.1.2248no fix published
5.0= 5.0.1.2277no fix published
5.0= 5.0.1.2346no fix published
Qnap quts hero
BranchAffectedFixed in
—= h5.0.1.2045no fix published
—= h5.0.1.2192no fix published
—= h5.0.1.2248no fix published
—= h5.0.1.2269no fix published
—= h5.0.1.2277no fix published
—= h5.0.1.2348no fix published
—= h4.5.4.1771no fix published
—= h4.5.4.1800no fix published
—= h4.5.4.1813no fix published
—= h4.5.4.1848no fix published
—= h4.5.4.1892no fix published
—= h4.5.4.1951no fix published
Qnap qutscloud
BranchAffectedFixed in
—= c5.0.1.1949no fix published
—= c5.0.1.1998no fix published
—= c5.0.1.2044no fix published
—= c5.0.1.2148no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionnone2025-02-26
  • OpenCVESSVC decisionnone—
  • CNACVSS 3.19.8read 2026-10-23
  • NVDCVSS 3.19.8read 2026-10-23
  • CNAweakness (CWE)CWE-78read 2026-10-23
  • FIRST EPSSEPSS score18.7 %read 2026-10-23

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2023-11-03
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2023-23368?

An OS command injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to execute commands via a network. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2376 build 20230421 and later QTS 4.5.4.2374 build 20230416 and later QuTS hero h5.0.1.2376 build 20230421 and later QuTS hero h4.5.4.2374 build 20230417 and later QuTScloud c5.0.1.2374 and later

Is CVE-2023-23368 actively exploited?

Active exploitation of CVE-2023-23368 has not been confirmed. Its EPSS score was 18.7% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-23368?

CVE-2023-23368 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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