CVE-2023-27336

May 3, 2024, 12:50 p.m.

CVSS Score

7.5 / 10

Product(s) Impacted

Softing edgeConnector Siemens

Softing edgeConnector Siemens OPC UA Server

Description

Softing edgeConnector Siemens OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Softing edgeConnector Siemens. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of OPC client certificates. The issue results from dereferencing a NULL pointer. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20508.

Weaknesses

Date

Published: May 3, 2024, 2:15 a.m.

Last Modified: May 3, 2024, 12:50 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

zdi-disclosures@trendmicro.com

CVSS Data

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Base Score
7.5
Exploitability Score
Impact Score
Base Severity
HIGH
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References