How severe is CVE-2023-23367?

CVE-2023-23367 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-23367 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-23367?

CVE-2023-23367 primarily affects Qnap Qts. In total, 42 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-23367?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-23367 published?

CVE-2023-23367 was published on 2023-11-10 and last updated on 2026-06-17.

CVE-2023-23367

CVE-2023-23367 is a medium-severity vulnerability in Qnap Qts with a CVSS 3.x base score of 4.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Medium (CVSS 3.x base score 4.7)
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Qnap Qts
Published: 2023-11-10
Last modified: 2026-06-17

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

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
How severe is CVE-2023-23367?: CVE-2023-23367 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-23367 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-23367?: CVE-2023-23367 primarily affects Qnap Qts. In total, 42 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-23367?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-23367 published?: CVE-2023-23367 was published on 2023-11-10 and last updated on 2026-06-17.

References

https://www.qnap.com/en/security-advisory/qsa-23-24

Affected products (42)

cpe:2.3:o:qnap:qts:5.0.0.1716:build_20210701:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.0.0.1785:build_20210908:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.0.0.1808:build_20211001:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.0.0.1828:build_20211020:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.0.0.1837:build_20211029:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.0.0.1850:build_20211111:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.0.0.1853:build_20211114:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.0.0.1858:build_20211119:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.0.0.1870:build_20211201:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.0.1.2034:build_20220515:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.0.1.2079:build_20220629:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.0.1.2131:build_20220820:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.0.1.2137:build_20220826:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.0.1.2145:build_20220903:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.0.1.2173:build_20221001:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.0.1.2194:build_20221022:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.0.1.2234:build_20221201:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.0.1.2248:build_20221215:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.0.1.2277:build_20230112:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.0.1.2346:build_20230322:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.0.0.1772:build_20210826:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.0.0.1844:build_20211105:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.0.0.1856:build_20211117:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.0.0.1892:build_20211222:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.0.0.1900:build_20211228:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.0.0.1949:build_20220215:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.0.0.1986:build_20220324:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.0.0.2022:build_20220428:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.0.0.2069:build_20220614:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.0.0.2120:build_20220804:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.0.1.2045:build_20220526:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.0.1.2192:build_20221020:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.0.1.2248:build_20221215:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.0.1.2269:build_20230104:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.0.1.2277:build_20230112:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.0.1.2348:build_20230324:*:*:*:*:*:*
cpe:2.3:o:qnap:qutscloud:c5.0.0.1919:build_20220119:*:*:*:*:*:*
cpe:2.3:o:qnap:qutscloud:c5.0.1.1949:build_20220218:*:*:*:*:*:*
cpe:2.3:o:qnap:qutscloud:c5.0.1.1998:build_20220408:*:*:*:*:*:*
cpe:2.3:o:qnap:qutscloud:c5.0.1.2044:build_20220524:*:*:*:*:*:*

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