SB2022010402 - Multiple vulnerabilities in Emerson DeltaV Distributed Control System Controllers and Workstations
Published: January 4, 2022
Breakdown by Severity
- 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.