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No exploitation reported

CVE-2023-23367

No exploitation reported by the sources we read.

  • Published2023-11-10
  • 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 authenticated administrators 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 QuTS hero h5.0.1.2376 build 20230421 and later QuTScloud c5.1.0.2498 and later

Timeline

dates in UTC
  1. 2023-11-1015:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 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-2023-23367?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-23367?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= 5.0.0.1716no fix published
5.0= 5.0.0.1785no fix published
5.0= 5.0.0.1808no fix published
5.0= 5.0.0.1828no fix published
5.0= 5.0.0.1837no fix published
5.0= 5.0.0.1850no fix published
5.0= 5.0.0.1853no fix published
5.0= 5.0.0.1858no fix published
5.0= 5.0.0.1870no 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
Qnap quts hero
BranchAffectedFixed in
—= h5.0.0.1772no fix published
—= h5.0.0.1844no fix published
—= h5.0.0.1856no fix published
—= h5.0.0.1892no fix published
—= h5.0.0.1900no fix published
—= h5.0.0.1949no fix published
—= h5.0.0.1986no fix published
—= h5.0.0.2022no fix published
—= h5.0.0.2069no fix published
—= h5.0.0.2120no fix published
—= h5.0.1.2045no fix published
—= h5.0.1.2192no fix published
Qnap qutscloud
BranchAffectedFixed in
—= c5.0.0.1919no fix published
—= c5.0.1.1949no fix published
—= c5.0.1.1998no fix published
—= c5.0.1.2044no fix published
—= c5.0.1.2148no fix published
—= c5.0.1.2374no 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 decisionnone2024-03-06
  • OpenCVESSVC decisionnone—
  • CNACVSS 3.14.7read 2026-10-23
  • NVDCVSS 3.17.2read 2026-10-23
  • CNAweakness (CWE)CWE-78read 2026-10-23
  • FIRST EPSSEPSS score1.5 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
2023-11-10
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2023-23367?

An OS command injection vulnerability has been reported to affect several QNAP operating system versions. 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 5.0.1.2376 build 20230421 and later QuTS hero h5.0.1.2376 build 20230421 and later QuTScloud c5.1.0.2498 and later

Is CVE-2023-23367 actively exploited?

Active exploitation of CVE-2023-23367 has not been confirmed. Its EPSS score was 1.5% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-23367?

CVE-2023-23367 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

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Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

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