CVE-2023-50358

QTS, QuTS hero, QuTScloud

MEDIUM

5.8

CVSS Score

Published: February 13, 2024 at 02:45 AM UTC

Updated: June 17, 2026 at 06:39 AM UTC

3 products affected across 1 vendorQTSQuTS heroQuTScloud

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Severity

MEDIUM5.8

Exploit prediction

EPSS 14%

SSVC

No known exploit

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 5.1.5.2645 build 20240116 and later QTS 4.5.4.2627 build 20231225 and later QTS 4.3.6.2665 build 20240131 and later QTS 4.3.4.2675 build 20240131 and later QTS 4.3.3.2644 build 20240131 and later QTS 4.2.6 build 20240131 and later QuTS hero h5.1.5.2647 build 20240118 and later QuTS hero h4.5.4.2626 build 20231225 and later QuTScloud c5.1.5.2651 and later

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

QTS · Qnap

95%

4.2.0 ≤ v < 4.2.64.2.x ≤ v < 4.2.6 build 202401314.3.0 ≤ v < 4.3.3.26444.3.4 ≤ v < 4.3.4.26754.3.4 ≤ v < 4.3.4.2675 build 202401314.3.5 ≤ v < 4.3.6.26654.3.6, 4.3.5 ≤ v < 4.3.6.2665 build 202401314.3.x ≤ v < 4.3.3.2644 build 202401314.5.1 ≤ v < 4.5.4.26274.5.x, 4.4.x ≤ v < 4.5.4.2627 build 202312255.1.0 ≤ v < 5.1.5.26455.x ≤ v < 5.1.5.2645 build 202401164.2.6 4.2.6 build_20170517 4.2.6 build_20190322 4.2.6 build_20190730 4.2.6 build_20190921 4.2.6 build_20191107 4.2.6 build_20200109 4.2.6 build_20200421 4.2.6 build_20200611 4.2.6 build_20200821 4.2.6 build_20210327 4.2.6 build_20211215 4.2.6 build_20220304 4.2.6 build_20220623 4.2.6 build_20221028 4.2.6 build_20230621 4.2.x 4.3.4 4.3.5 4.3.6 4.3.x 4.4.x 4.5.4.2627 4.5.x 5.1.5.2645 5.x

Affected range stops below 4.2.6 build 20240131, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.3.3.2644 build 20240131, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.3.4.2675 build 20240131, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.3.6.2665 build 20240131, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.5.4.2627 build 20231225, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.1.5.2645 build 20240116, so it looks safe — our inference, not a vendor statement

QuTS hero · Qnap

95%

h4.5.0 ≤ v < h4.5.4.2626h4.x ≤ v < h4.5.4.2626 build 20231225h5.0.0 ≤ v < h5.1.5.2647h5.x ≤ v < h5.1.5.2647 build 20240118h4.5.4.2626 h4.x h5.1.5.2647 h5.x

Affected range stops below h4.5.4.2626 build 20231225, so it looks safe — our inference, not a vendor statement

Affected range stops below h5.1.5.2647 build 20240118, so it looks safe — our inference, not a vendor statement

QuTScloud · Qnap

95%

c5.0.0.1919 ≤ v < c5.1.5.2651c5.x ≤ v < c5.1.5.2651c5.x

Affected range stops below c5.1.5.2651, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://www.qnap.com/en/security-advisory/qsa-23-57

References (3)

ExploitThird Party Advisory

Source: [email protected]

https://unit42.paloaltonetworks.com/qnap-qts-firmware-cve-2023-50358/

Third Party Advisory

Source: [email protected]

https://www.bsi.bund.de/SharedDocs/Cybersicherheitswarnungen/DE/2024/2024-213941-1032

Vendor Advisory

Source: [email protected]

https://www.qnap.com/en/security-advisory/qsa-23-57

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.8MEDIUMqnap

Attack Vector: ADJACENT_NETWORK
Complexity: HIGH
Privileges: NONE
User Interaction: NONE
Scope: CHANGED
Confidentiality: LOW
Integrity: LOW
Availability: LOW

Vector?

Quick Info

StatusANALYZED

CWE

CWE-78

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