CVE-2021-26264 — MEDIUM (6.1)

Vulnerability Description

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

CVSS Score

6.1

MEDIUM

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Emerson	Deltav Workstation	-
Emerson	Deltav Distributed Control System	-

Related Weaknesses (CWE)

CWE-306

References

https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-04MitigationThird Party AdvisoryUS Government Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-04MitigationThird Party AdvisoryUS Government Resource

FAQ

What is CVE-2021-26264?

CVE-2021-26264 is a vulnerability with a CVSS score of 6.1 (MEDIUM). A specially crafted script could cause the DeltaV Distributed Control System Controllers (All Versions) to restart and cause a denial-of-service condition.

How severe is CVE-2021-26264?

CVE-2021-26264 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-26264?

Check the references section above for vendor advisories and patch information. Affected products include: Emerson Deltav Workstation, Emerson Deltav Distributed Control System.