#VU59152 Insecure DLL loading in DeltaV Distributed Control System Controllers and Workstations


Published: 2022-01-04

Vulnerability identifier: #VU59152

Vulnerability risk: Low

CVSSv3.1: 7.1 [CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-44463

CWE-ID: CWE-427

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
DeltaV Distributed Control System Controllers and Workstations
Other software / Other software solutions

Vendor:

Description

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://ics-cert.us-cert.gov/advisories/icsa-21-355-04


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability