VULNERABILITY INTELLIGENCE

CVE-2021-26264

CVSS score6.1 MEDIUM

EPSS probability0.19%

CISA KEVNot currently listed

Published2022-01-28

Last modified2026-06-17

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

Description

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

Weakness classification

nvd@nist.gov: CWE-306
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-306

Primary references

ics-cert@hq.dhs.gov — Mitigation, Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108 — Mitigation, Third Party Advisory, US Government Resource