CyberSecBulletin
CVE-2023-45038NVD status: Analyzed

Music Station: Improper Authentication

CVE-2023-45038 is a high-severity improper authentication vulnerability in Music Station from QNAP, with a CVSS 3.1 base score of 8.8 out of 10. It can be exploited remotely over the network by an attacker with a low-privileged account, without any action from a user. The record lists version 5.4.0 as the first without the flaw, so updating Music Station to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 1.24% chance of exploitation within 30 days, higher than 70% of scored CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Update Music Station to 5.4.0 or a later version.
  2. Read the advisory on qnap.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
QNAPMusic Station5.4.x up to, but not including, 5.4.05.4.0

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
LowA basic user account is enough.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.14.3MediumCNA (qnapsecurity.com.tw)
CVSS 3.18.8HighNVD

Official description

An improper authentication vulnerability has been reported to affect Music Station. If exploited, the vulnerability could allow users to compromise the security of the system via a network. We have already fixed the vulnerability in the following version: Music Station 5.4.0 and later

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

How developers prevent this class of flaw

  • Use an authentication framework or library such as the OWASP ESAPI Authentication feature.

More Improper Authentication vulnerabilities (CWE-287)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in Music Station

All Music Station vulnerabilities

Recent Improper Authentication vulnerabilities

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