CVE-2023-50358

Qts vulnerability

CVSS

5.8

EPSS

13.5%

EPSS pct

96th

Exploited

No known

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 vendor

Qnap

Affected product

Qts

CVSS vector

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L

Weakness type (CWE)

CWE-78 — OS Command Injection

Published

2024-02-13

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable from an adjacent network, high attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity, low impact to availability.

Its EPSS score of 13.5% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2023-50358

Confirm whether Qnap Qts is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2023-50358.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-50358

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2023-50358 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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