CVE-2021-26264

Published: Jan 28, 2022Modified: Jun 17, 2026

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

A specially crafted script could cause the DeltaV Distributed Control System Controllers (All Versions) to restart and cause a denial-of-service condition.

Affected (2)

Products: Emerson: Deltav Distributed Control System, Deltav Workstation

Emerson

2 products

Deltav Distributed Control System

Deltav Workstation

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Emerson Deltav Distributed Control System	All versions
Emerson Deltav Workstation	All versions

Related CWEs

CWE-306

Missing Authentication for Critical Function

The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

References (2)

https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-04

Source: ics-cert@hq.dhs.gov

MitigationThird Party AdvisoryUS Government Resource

https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-04

Source: af854a3a-2127-422b-91ae-364da2661108

MitigationThird Party AdvisoryUS Government Resource

Timeline

No history available yet.