Vulnerability CVE-2021-26264
Published: 2022-01-28

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

Type:

CWE-306

 (Missing Authentication for Critical Function)

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.9/10
6.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Emerson -> Deltav workstation 
Emerson -> Deltav distributed control system 

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