No exploitation reportedFix available

CVE-2023-23362

Q: Is CVE-2023-23362 actively exploited?

Active exploitation of CVE-2023-23362 has not been confirmed. Its EPSS score was 1.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2023-23362?

CVE-2023-23362 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2023-09-22
Fixed in5.0.1.2376 · 4.5.4.2374
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 QNAP operating systems. If exploited, the vulnerability allows remote authenticated users to execute commands via susceptible QNAP devices. 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

2023-09-2204:15CVE publishedNVD

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-2023-23362?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-23362?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

Branch	Affected	Fixed in	Source
5.0	≥ 5.0.1, < 5.0.1.2376	5.0.1.2376	NVD
4.5	≥ 4.5.4, < 4.5.4.2374	4.5.4.2374	NVD

Qnap quts hero

Branch	Affected	Fixed in	Source
—	≥ h5.0.1, < h5.0.1.2376	h5.0.1.2376	NVD
—	≥ h4.5.4, < h4.5.4.2374	h4.5.4.2374	NVD

Qnap qutscloud

Branch	Affected	Fixed in	Source
—	≥ c5.0.1, ≤ c5.0.1.2374	no fix published	NVD

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

Fix

Update Qnap qts to 5.0.1.2376 · 4.5.4.2374

Advisories and patches

www.qnap.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2024-09-24
OpenCVESSVC decisionnone—
CNACVSS 3.18.8read 2026-10-23
NVDCVSS 3.18.8read 2026-10-23
CNAweakness (CWE)CWE-78read 2026-10-23
NVDweakness (CWE)CWE-78read 2026-10-23
FIRST EPSSEPSS score1.6 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2023-09-22
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2023-23362?

Is CVE-2023-23362 actively exploited?

Active exploitation of CVE-2023-23362 has not been confirmed. Its EPSS score was 1.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-23362?

CVE-2023-23362 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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