CVE-2023-47218

QTS, QuTS hero, QuTScloud

CVSS 3.1 Medium 5.8

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

Description

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 QuTS hero h5.1.5.2647 build 20240118 and later QuTScloud c5.1.5.2651 and later

Key data

CVSS 3.1 Medium 5.8

Score published by qnap in the CVE record.

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

Attack vector: Adjacent
The attacker needs to be on the same shared network segment or a closely related one.
Attack complexity: High
The attack depends on conditions outside the attacker's control, so it takes preparation.
Privileges required: None
No account or privileges are needed.
User interaction: None
No action from any user is needed.
Scope: Changed
The impact can reach other components beyond the vulnerable one.
Confidentiality impact: Low
Limited effect on the secrecy of data.
Integrity impact: Low
Limited effect on the trustworthiness of data.
Availability impact: Low
Limited effect on availability.

Metric	Value	What it means
Attack vector	Adjacent	The attacker needs to be on the same shared network segment or a closely related one.
Attack complexity	High	The attack depends on conditions outside the attacker's control, so it takes preparation.
Privileges required	None	No account or privileges are needed.
User interaction	None	No action from any user is needed.
Scope	Changed	The impact can reach other components beyond the vulnerable one.
Confidentiality impact	Low	Limited effect on the secrecy of data.
Integrity impact	Low	Limited effect on the trustworthiness of data.
Availability impact	Low	Limited effect on availability.

CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at first.org/cvss.

EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score: 0.89920 (89.9% probability)
Percentile: 99.8%
Scores of: Nov 10, 2026
Model: v2026.06.15

CISA assessment as of Feb 13, 2024

Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA.

Exploitation: Public proof of concept recorded by CISA
Automatable: no
Technical impact: partial

Weakness (CWE)

CWE catalog version 5.0.

CWE-77Improper Neutralization of Special Elements used in a Command
CWE-78Improper Neutralization of Special Elements used in an OS Command

Affected products

Products listed in the CVE record, as the CNA published them.

QNAP Systems Inc. QTS
- affected: 5.1.x up to before 5.1.5.2645 build 20240116
- unaffected: 4.x
QNAP Systems Inc. QuTS hero
- affected: h5.1.x up to before h5.1.5.2647 build 20240118
- unaffected: h4.x
QNAP Systems Inc. QuTScloud
- affected: c5.x up to before c5.1.5.2651

References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

Timeline

ID reservedNov 3, 2023
Record publishedFeb 13, 2024
Record last updatedMay 7, 2025

Look up another CVE

About CubePath

CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection.

Cloud VPS DDoS protection

Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:52 UTC. Sources and licenses