Security Resilience

CVE-2023-23369

RCE in Qnap Qts 4.2.6 … 5.1.0.2348

RCECommand Injection
Published
03 November 2023
Modified
21 November 2024
Patch / advisory
View advisory
CVSS Score v3.1 9.0
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.15 97th percentile
Risk Priority 74 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2023-23369 is a critical-severity Command Injection (CWE-77) vulnerability in Qnap Qts. Its CVSS base score is 9.0 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique NTDS (T1003.003); ranked in the top 3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis AI-assisted summary

Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.

An OS command injection vulnerability tracked as CVE-2023-23369 affects multiple versions of QNAP QTS, Multimedia Console, and the Media Streaming add-on. The flaw, assigned CWE-77 and CWE-78, permits unauthenticated remote attackers to execute arbitrary operating-system commands over the network, carrying a CVSS 3.1 score of 9.0 that reflects high impact across confidentiality, integrity, and availability with changed scope.

Successful exploitation requires no credentials or user interaction, although the attack vector is rated with high complexity. An attacker positioned on the network can leverage the injection to run commands on the affected QNAP device, potentially leading to full system compromise.

QNAP has released fixed builds that remediate the issue, including Multimedia Console 2.1.2 and 1.4.8, QTS 5.1.0.2399 and later maintenance releases, several QTS 4.3.x and 4.2.6 builds from June 2023 onward, and Media Streaming add-on versions 500.1.1.2 and 500.0.0.11. The vendor advisory QSA-23-35 lists the precise updated builds and urges immediate installation.

The associated EPSS score has remained flat at 0.1181 with no material increase since disclosure.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability Data

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: Multimedia Console…

more

2.1.2 ( 2023/05/04 ) and later Multimedia Console 1.4.8 ( 2023/05/05 ) and later QTS 5.1.0.2399 build 20230515 and later QTS 4.3.6.2441 build 20230621 and later QTS 4.3.4.2451 build 20230621 and later QTS 4.3.3.2420 build 20230621 and later QTS 4.2.6 build 20230621 and later Media Streaming add-on 500.1.1.2 ( 2023/06/12 ) and later Media Streaming add-on 500.0.0.11 ( 2023/06/16 ) and later

CWE(s)
CWE-77CWE-78

Related Threats

MITRE ATT&CK Enterprise Techniques

T1003.003 NTDS Credential Access
Adversaries may attempt to access or create a copy of the Active Directory domain database in order to steal credential information, as well as obtain other information about domain members such as devices, users, and access rights.
attack.mitre.org →
T1007 System Service Discovery Discovery
Adversaries may try to gather information about registered local system services.
attack.mitre.org →
T1010 Application Window Discovery Discovery
Adversaries may attempt to get a listing of open application windows.
attack.mitre.org →
T1021.004 SSH Lateral Movement
Adversaries may use [Valid Accounts](https://attack.
attack.mitre.org →
T1021.008 Direct Cloud VM Connections Lateral Movement
Adversaries may leverage [Valid Accounts](https://attack.
attack.mitre.org →
T1027.001 Binary Padding Stealth
Adversaries may use binary padding to add junk data and change the on-disk representation of malware.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2024-21903Same product: Qnap Qts
CVE-2024-38641Same product: Qnap Qts
CVE-2025-30264Same product: Qnap Qts
CVE-2024-53692Same product: Qnap Qts
CVE-2025-22481Same product: Qnap Qts
CVE-2020-2509Same product: Qnap Qts
CVE-2024-32766Same product: Qnap Qts
CVE-2023-41281Same product: Qnap Qts
CVE-2023-41282Same product: Qnap Qts
CVE-2023-45025Same product: Qnap Qts

Affected Assets

qnap
qts
4.2.6, 4.3.3.0174, 4.3.3.0868, 4.3.3.0998, 4.3.3.1051
qnap
multimedia console
1.4.3, 1.4.4, 1.4.5, 1.4.6, 1.4.7
qnap
media streaming add-on
500.0.0.0, 500.0.0.1, 500.0.0.10, 500.0.0.3, 500.0.0.4

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)

—

Validate
Prove the fix (OWASP ASVS)
  • V1.2.5
  • V1.2.8

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-27 Platform-independent Applications
addresses: CWE-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

SI-10 Information Input Validation
addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
blocks

PR.PS-06's SDLC practices directly require secure coding and input handling that blocks command-injection defects, yet the single broad outcome leaves many specific neutralization vectors and verification gaps unaddressed.

PR.PS-02 partial match
blocks

Routine patching/maintenance can remediate known command-injection CVEs in dependencies (partial forward) but does nothing to stop developers from introducing improper neutralization in custom code (none reverse).

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.5.14 Information transfer partial match
removes
A.5.15 Access control partial match
removes
A.5.16 Identity management partial match
removes
A.5.17 Authentication information partial match
removes
A.5.18 Access rights partial match
removes
A.8.10 Information deletion partial match
removes

Hardening callouts derived

DISA STIG baselines are authored against specific weaknesses. Where this CVE cites a broad weakness class, the mapping is not asserted at that abstraction (owner ruling, 2026-09-25: grade only at Base and below), so no rule is shown here rather than a rule shown against the wrong grain.

  • No fine-grained STIG row for CWE-77, a class-level weakness, and none of its children carries one either.

References