What is the CVSS score of CVE-2023-28812?

CVE-2023-28812 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: 1.0%.

Localservicecomponents CVE-2023-28812

CRITICAL

Classic Buffer Overflow (CWE-120)

2023-11-23 hsrc@hikvision.com

Buffer Overflow RCE Localservicecomponents

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

Nov 23, 2023 - 09:15 nvd

CRITICAL 9.8

DescriptionNVD

There is a buffer overflow vulnerability in a web browser plug-in could allow an attacker to exploit the vulnerability by sending crafted messages to computers installed with this plug-in, which could lead to arbitrary code execution or cause process exception of the plug-in.

AnalysisAI

There is a buffer overflow vulnerability in a web browser plug-in could allow an attacker to exploit the vulnerability by sending crafted messages to computers installed with this plug-in, which. 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. There is a buffer overflow vulnerability in a web browser plug-in could allow an attacker to exploit the vulnerability by sending crafted messages to computers installed with this plug-in, which could lead to arbitrary code execution or cause process exception of the plug-in. Affected products include: Hikvision Localservicecomponents.

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.