SB2022010402 - Multiple vulnerabilities in Emerson DeltaV Distributed Control System Controllers and Workstations 



SB2022010402 - Multiple vulnerabilities in Emerson DeltaV Distributed Control System Controllers and Workstations

Published: January 4, 2022

Security Bulletin ID SB2022010402
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Missing Authentication for Critical Function (CVE-ID: CVE-2021-26264)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to the software that is used for critical functionalities lacks authentication. A remote attacker on the local network can cause a denial of service condition on the target system.


2) Insecure DLL loading (CVE-ID: CVE-2021-44463)

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner. A local user can place a specially crafted .dll file and gain elevated privileges when some DeltaV services are started.


Remediation

Install update from vendor's website.