SB2024112620 - Multiple vulnerabilities in Schneider Electric Modicon M340, MC80, and Momentum Unity M1E



SB2024112620 - Multiple vulnerabilities in Schneider Electric Modicon M340, MC80, and Momentum Unity M1E

Published: November 26, 2024

Security Bulletin ID SB2024112620
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 67% Medium 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2024-8937)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote attacker can perform a man-in-the-middle (MitM) attack, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


2) Buffer overflow (CVE-ID: CVE-2024-8938)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote attacker can perform a man-in-the-middle (MitM) attack, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


3) Input validation error (CVE-ID: CVE-2024-8936)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can perform a man-in-the-middle (MitM) attack and gain unauthorized access to sensitive information on the system..


Remediation

Install update from vendor's website.