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CVE-2023-50359

QTS, QuTS hero

MEDIUM
6.7
CVSS Score
Published: February 2, 2024 at 04:06 PM UTC
Updated: June 17, 2026 at 06:39 AM UTC
3 products affected across 1 vendorQTSQuTS heroQuTScloud

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Severity
MEDIUM6.7
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

An unchecked return value vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow local authenticated administrators to place the system in a state that could lead to a crash or other unintended behaviors via unspecified vectors. We have already fixed the vulnerability in the following versions: QTS 5.1.5.2645 build 20240116 and later QuTS hero h5.1.5.2647 build 20240118 and later

Affected

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

QTS· Qnap
95%
5.1.x ≤ v < 5.1.5.2645 build 202401165.1.0.2348 build_202303255.1.0.2399 build_202305155.1.0.2418 build_202306035.1.0.2444 build_202306295.1.0.2466 build_202307215.1.1.2491 build_202308155.1.2.2533 build_202309265.1.3.2578 build_202311105.1.4.2596 build_202311285.1.5.26455.1.x
Affected range stops below 5.1.5.2645 build 20240116, so it looks safe — our inference, not a vendor statement
QuTS hero· Qnap
95%
h5.1.x ≤ v < h5.1.5.2647 build 20240118h5.1.0.2409 build_20230525h5.1.0.2424 build_20230609h5.1.0.2453 build_20230708h5.1.0.2466 build_20230721h5.1.1.2488 build_20230812h5.1.2.2534 build_20230927h5.1.3.2578 build_20231110h5.1.4.2596 build_20231128h5.1.5.2647h5.1.x
Affected range stops below h5.1.5.2647 build 20240118, so it looks safe — our inference, not a vendor statement
QuTScloud· Qnap
95%
c5.1.0.2498 build_20230822

Remediation

No guide yet

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

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://www.qnap.com/en/security-advisory/qsa-24-07

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

6.7MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-252

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