What is the CVSS score of CVE-2023-23364?

CVE-2023-23364 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: 0.8%.

Multimedia Console CVE-2023-23364

CRITICAL

Classic Buffer Overflow (CWE-120)

2023-09-22 security@qnapsecurity.com.tw

Buffer Overflow Qnap Multimedia Console

9.8

CVSS 3.1 · NVD

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

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Sep 22, 2023 - 04:15 nvd

CRITICAL 9.8

DescriptionNVD

A buffer copy without checking size of input vulnerability has been reported to affect QNAP operating systems. If exploited, the vulnerability possibly allows remote users to execute code via unspecified vectors.

We have already fixed the vulnerability in the following versions: Multimedia Console 2.1.1 ( 2023/03/29 ) and later Multimedia Console 1.4.7 ( 2023/03/20 ) and later

AnalysisAI

A buffer copy without checking size of input vulnerability has been reported to affect QNAP operating systems. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. A buffer copy without checking size of input vulnerability has been reported to affect QNAP operating systems. If exploited, the vulnerability possibly allows remote users to execute code via unspecified vectors. We have already fixed the vulnerability in the following versions: Multimedia Console 2.1.1 ( 2023/03/29 ) and later Multimedia Console 1.4.7 ( 2023/03/20 ) and later Affected products include: Qnap Multimedia Console.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.