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[email protected]CVE-2021-26264

HistoryJan 28, 2022 - 8:15 p.m.

CVE-2021-26264

2022-01-2820:15:10

CWE-306

[email protected]

web.nvd.nist.gov

cve-2021-26264

deltav

dcs

controllers

restart

denial of service

nvd

6.1 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5.4 Medium

AI Score

Confidence

High

4.9 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:N/A:C

0.0004 Low

EPSS

Percentile

10.4%

JSON

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

Affected configurations

NVD

Node

emersondeltav_workstationMatch-

emersondeltav_distributed_control_systemMatch-

CPENameOperatorVersion
emerson:deltav_workstationemerson deltav workstationeq-
emerson:deltav_distributed_control_systememerson deltav distributed control systemeq-

CPE	Name	Operator	Version
emerson:deltav_workstation	emerson deltav workstation	eq	-
emerson:deltav_distributed_control_system	emerson deltav distributed control system	eq	-

References

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

6.1 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5.4 Medium

AI Score

Confidence

High

4.9 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:N/A:C

0.0004 Low

EPSS

Percentile

10.4%

JSON

Related for CVE-2021-26264

prion1 nvd1 cvelist1 ics1