CVE-2023-34980Network attack vector

Administrator command execution via OS command injection

Published Mar 8, 2024 · Updated Sep 6, 2024

OS command injection in QNAP QTS 4.5.x and QuTS hero h4.5.x allows remote authenticated users with administrator access to execute commands. QNAP has not disclosed the affected interface, parameter, or operation that passes untrusted input to an operating-system command. Exploitation requires administrator privileges and user interaction over a network; successful commands can read, modify, or interrupt NAS resources.

CVSS severity8.4
High
EPSS probability0.88%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in QNAP QTS 4.5.x and QuTS hero h4.5.x allows remote authenticated users with administrator access to execute commands. QNAP has not disclosed the affected interface, parameter, or operation that passes untrusted input to an operating-system command. Exploitation requires administrator privileges and user interaction over a network; successful commands can read, modify, or interrupt NAS resources.

The record

CVE
CVE-2023-34980
Published
Mar 8, 2024
Updated
Sep 6, 2024
Vendor
Linn Products Limited
Product
QuTS hero
Classifications
CWE-78, T1059
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Mar 8, 2024CVE publishedPublication date reported by the CVE source.
  2. Sep 6, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=h4.5 <h4.5.4.2626_build 20231225
  2. Affected versionversion=h4.5.x <h4.5.4.2626 build 20231225

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Linn Products Limited · QuTS heroversion=h4.5 <h4.5.4.2626_build 20231225; version=h4.5.x <h4.5.4.2626 build 20231225
Linn Products Limited · QTSversion=4.5.0 <4.5.4.2627_build 20231225; version=4.5.x <4.5.4.2627 build 20231225

Published CVSS scores

5.9QNAP Systems, Inc.CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
8.4NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059Command and Scripting Interpreter

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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