How severe is CVE-2023-23368?

CVE-2023-23368 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-23368 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-23368?

CVE-2023-23368 primarily affects Qnap Qts. In total, 45 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-23368?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-23368 published?

CVE-2023-23368 was published on 2023-11-03 and last updated on 2026-06-17.

CVE-2023-23368

CVE-2023-23368 is a critical-severity vulnerability in Qnap Qts with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 19% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Qnap Qts
Published: 2023-11-03
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 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

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
How severe is CVE-2023-23368?: CVE-2023-23368 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-23368 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-23368?: CVE-2023-23368 primarily affects Qnap Qts. In total, 45 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-23368?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-23368 published?: CVE-2023-23368 was published on 2023-11-03 and last updated on 2026-06-17.

References

https://www.qnap.com/en/security-advisory/qsa-23-31

Affected products (45)

cpe:2.3:o:qnap:qts:5.0.1:-:*:*:*:*:*:*
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:qts:4.5.4:-:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.5.4.1715:build_20210630:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.5.4.1723:build_20210708:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.5.4.1741:build_20210726:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.5.4.1787:build_20210910:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.5.4.1800:build_20210923:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.5.4.1892:build_20211223:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.5.4.1931:build_20220128:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.5.4.2012:build_20220419:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.5.4.2117:build_20220802:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.5.4.2280:build_20230112:*:*:*:*:*:*
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:quts_hero:h4.5.4.1771:build_20210825:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h4.5.4.1800:build_20210923:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h4.5.4.1813:build_20211006:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h4.5.4.1848:build_20211109:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h4.5.4.1892:build_20211223:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h4.5.4.1951:build_20220218:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h4.5.4.1971:build_20220310:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h4.5.4.1991:build_20220330:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h4.5.4.2052:build_20220530:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h4.5.4.2138:build_20220824:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h4.5.4.2217:build_20221111:*:*:*:*:*:*

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