What is the CVSS score of CVE-2023-36659?

CVE-2023-36659 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: 0.7%.

Metadefender Kiosk CVE-2023-36659

CRITICAL

Classic Buffer Overflow (CWE-120)

2023-09-15 cve@mitre.org

Buffer Overflow Denial Of Service Metadefender Kiosk

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 15, 2023 - 06:15 nvd

CRITICAL 9.8

DescriptionNVD

An issue was discovered in OPSWAT MetaDefender KIOSK 4.6.1.9996. Long inputs were not properly processed, which allows remote attackers to cause a denial of service (loss of communication).

AnalysisAI

An issue was discovered in OPSWAT MetaDefender KIOSK 4.6.1.9996. 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. An issue was discovered in OPSWAT MetaDefender KIOSK 4.6.1.9996. Long inputs were not properly processed, which allows remote attackers to cause a denial of service (loss of communication). Affected products include: Opswat Metadefender Kiosk.

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.