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CVE-2023-39298

QTS, QuTS hero

HIGH
7.8
CVSS Score
Published: September 6, 2024 at 04:27 PM UTC
Updated: June 17, 2026 at 06:11 AM UTC
3 products affected across 1 vendorQTSQuTS heroQuTScloud

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Severity
HIGH7.8
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

A missing authorization vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow local authenticated users to access data or perform actions that they should not be allowed to perform via unspecified vectors. QuTScloud, is not affected. We have already fixed the vulnerability in the following versions: QTS 5.2.0.2737 build 20240417 and later QuTS hero h5.2.0.2782 build 20240601 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 < 5.2.0.27375.1.x ≤ v < 5.2.0.2737 build 202404175.1.0.2348 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_202311285.1.5.2645 build_202401165.1.5.2679 build_202402195.1.6.2722 build_202404025.1.7.2770 build_202405205.1.8.2823 build_202407125.1.x5.2.0.2737 build_202404175.2.0.2744 build_20240424
Vendor states this is fixed in 4.5.x (unaffected)
Vendor states this is fixed in 5.0.x (unaffected)
Affected range stops below 5.2.0.2737, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.2.0.2737 build 20240417, so it looks safe — our inference, not a vendor statement
QuTS hero· Qnap
95%
h5.1.x ≤ v < h5.2.0.2782h5.1.x ≤ v < h5.2.0.2782 build 20240601h5.1.0.2409 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_20231128h5.1.5.2647 build_20240118h5.1.5.2680 build_20240220h5.1.6.2734 build_20240414h5.1.7.2770 build_20240520h5.1.7.2788 build_20240607h5.1.7.2794 build_20240613h5.1.8.2823 build_20240712h5.1.xh5.2.0.2737 build_20240417
Vendor states this is fixed in h4.5.x (unaffected)
Vendor states this is fixed in h5.0.x (unaffected)
Affected range stops below h5.2.0.2782, so it looks safe — our inference, not a vendor statement
Affected range stops below h5.2.0.2782 build 20240601, so it looks safe — our inference, not a vendor statement
QuTScloud· Qnap
95%
c5.0.0 ≤ v < h5.2.0.2782c5.0.0
Vendor states this is fixed in c5.0.x (unaffected)
Affected range stops below h5.2.0.2782, 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

References (1)

Vendor Advisory
Source: [email protected]
https://www.qnap.com/en/security-advisory/qsa-24-28

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

7.8HIGHqnap
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-862

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