How severe is CVE-2023-34979?

CVE-2023-34979 has a CVSS 3.x base score of 6.6, 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-2023-34979 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-34979?

CVE-2023-34979 primarily affects Qnap Qts. In total, 28 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-34979?

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

Does CVE-2023-34979 have an EU (EUVD) identifier?

Yes. CVE-2023-34979 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-39018.

When was CVE-2023-34979 published?

CVE-2023-34979 was published on 2024-09-06 and last updated on 2026-06-17.

CVE-2023-34979

CVE-2023-34979 is a medium-severity vulnerability in Qnap Qts with a CVSS 3.x base score of 6.6. 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 6.6)
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-39018
Weakness: CWE-78
Affected product: Qnap Qts
Published: 2024-09-06
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 4.5.4.2790 build 20240605 and later QuTS hero h4.5.4.2790 build 20240606 and later

Frequently asked questions

What is CVE-2023-34979?: 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 4.5.4.2790 build 20240605 and later QuTS hero h4.5.4.2790 build 20240606 and later
How severe is CVE-2023-34979?: CVE-2023-34979 has a CVSS 3.x base score of 6.6, 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-2023-34979 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34979?: CVE-2023-34979 primarily affects Qnap Qts. In total, 28 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-34979?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-34979 have an EU (EUVD) identifier?: Yes. CVE-2023-34979 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-39018.
When was CVE-2023-34979 published?: CVE-2023-34979 was published on 2024-09-06 and last updated on 2026-06-17.

References

https://www.qnap.com/en/security-advisory/qsa-24-32

Affected products (28)

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:qts:4.5.4.2374:build_20230416:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.5.4.2467:build_20230718:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.5.4.2627:build_20231225:*:*:*:*:*:*
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:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h4.5.4.2272:build_20230105:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h4.5.4.2374:build_20230417:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h4.5.4.2476:build_20230728:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h4.5.4.2626:build_20231225:*:*:*:*:*:*

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