How severe is CVE-2023-32968?

CVE-2023-32968 has a CVSS 3.x base score of 4.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-32968 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-32968?

CVE-2023-32968 primarily affects Qnap Qts. In total, 31 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-32968?

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

When was CVE-2023-32968 published?

CVE-2023-32968 was published on 2023-12-08 and last updated on 2026-06-17.

CVE-2023-32968

CVE-2023-32968 is a medium-severity vulnerability in Qnap Qts with a CVSS 3.x base score of 4.5. 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-120.

Key facts

Severity: Medium (CVSS 3.x base score 4.5)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Qnap Qts
Published: 2023-12-08
Last modified: 2026-06-17

Description

A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute code via a network. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2514 build 20230906 and later QTS 5.1.2.2533 build 20230926 and later QuTS hero h5.0.1.2515 build 20230907 and later QuTS hero h5.1.2.2534 build 20230927 and later

Frequently asked questions

What is CVE-2023-32968?: A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute code via a network. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2514 build 20230906 and later QTS 5.1.2.2533 build 20230926 and later QuTS hero h5.0.1.2515 build 20230907 and later QuTS hero h5.1.2.2534 build 20230927 and later
How severe is CVE-2023-32968?: CVE-2023-32968 has a CVSS 3.x base score of 4.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-32968 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-32968?: CVE-2023-32968 primarily affects Qnap Qts. In total, 31 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-32968?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-32968 published?: CVE-2023-32968 was published on 2023-12-08 and last updated on 2026-06-17.

References

https://www.qnap.com/en/security-advisory/qsa-23-07

Affected products (31)

cpe:2.3:o:qnap:qts:5.1.0.2348:build_20230325:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.1.0.2399:build_20230515:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.1.0.2418:build_20230603:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.1.0.2444:build_20230629:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.1.0.2466:build_20230721:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.1.1.2491:build_20230815:*:*:*:*:*:*
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:5.0.1.2376:build_20230421:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:5.0.1.2425:build_20230609:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.1.0.2409:build_20230525:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.1.0.2424:build_20230609:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.1.0.2453:build_20230708:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.1.0.2466:build_20230721:*:*:*:*:*:*
cpe:2.3:o:qnap:quts_hero:h5.1.1.2488:build_20230812:*:*:*:*:*:*
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:h5.0.1.2376:build_20230421:*:*:*:*:*:*

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