CVE-2023-39299Network attack vector

Unauthenticated file disclosure via undisclosed path traversal

Published Nov 3, 2023 · Updated Sep 5, 2024

Path traversal in QNAP Music Station 4.8.x, 5.1.x, and 5.3.x allows remote attackers to read unexpected files over a network. QNAP has not disclosed the affected request handler or the exact operation that accepts an untrusted path outside its intended directory. No privileges or user interaction are required, and the published impact is limited to sensitive-data disclosure without file modification.

CVSS severity7.5
High
EPSS probability0.61%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path traversal in QNAP Music Station 4.8.x, 5.1.x, and 5.3.x allows remote attackers to read unexpected files over a network. QNAP has not disclosed the affected request handler or the exact operation that accepts an untrusted path outside its intended directory. No privileges or user interaction are required, and the published impact is limited to sensitive-data disclosure without file modification.

The record

CVE
CVE-2023-39299
Published
Nov 3, 2023
Updated
Sep 5, 2024
Vendor
Linn Products Limited
Product
Music Station
Classifications
CWE-22, CAPEC-126, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 3, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 5, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.8.x <4.8.11
  2. Affected versionversion=5.1.x <5.1.16
  3. Affected versionversion=5.3.x <5.3.23

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Linn Products Limited · Music Stationversion=4.8.x <4.8.11; version=5.1.x <5.1.16; version=5.3.x <5.3.23

Published CVSS scores

7.5QNAP Systems Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CAPEC-126Path Traversal
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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