What is the CVSS score of CVE-2023-23369?

CVE-2023-23369 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 14.4%.

Multimedia Console CVE-2023-23369

CRITICAL

Command Injection (CWE-77)

2023-11-03 security@qnapsecurity.com.tw

Command Injection Qnap Media Streaming Add On Qts Multimedia Console

9.8

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-77 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization Command injection prevention MITRE ATT&CK 1 technique across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	A remote attacker could inject arbitrary commands into system command execution by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.

No patch listed yet 14.4% exploitation probability (EPSS)

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AnalysisAI

An OS command injection vulnerability has been reported to affect several QNAP operating system versions. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

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Technical ContextAI · show details

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. 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 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 Affected products include: Qnap Qts, Qnap Multimedia Console, Qnap Media Streaming Add-On.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionNVD

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 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

Threat Intelligence Overview

EPSS Score

14.4%

Top 4% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity CRITICAL

CISA KEV No

Public POC No

EPSS 14.4%

Patch available No

Active threat No

Deciding rule

CRITICAL severity

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +14

CVSS: +49

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

OS Command Injection CRITICAL

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Affected Products (CPE)NVD

cpe:2.3:o:qnap:qts:5.1.0.2348:build_20230325:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.6.0895:build_20190328:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.6.0907:build_20190409:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.6.0923:build_20190425:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.6.0944:build_20190516:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.6.0959:build_20190531:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.6.0979:build_20190620:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.6.0993:build_20190704:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.6.1013:build_20190724:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.6.1033:build_20190813:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.6.1070:build_20190919:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.6.1154:build_20191212:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.6.1218:build_20200214:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.6.1263:build_20200330:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.6.1286:build_20200422:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.6.1333:build_20200608:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.6.1411:build_20200825:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.6.1446:build_20200929:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.6.1620:build_20210322:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.6.1663:build_20210504:*:*:*:*:*:*

+ 71 more

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References

Advisories & patches

ADVISORY https://www.qnap.com/en/security-advisory/qsa-23-35

Search Externally

GitHub PoC

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