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cve[email protected]CVE-2021-26264
HistoryJan 28, 2022 - 8:15 p.m.

CVE-2021-26264

2022-01-2820:15:10
CWE-306
web.nvd.nist.gov
27
cve-2021-26264
deltav
dcs
controllers
restart
denial of service
nvd

4.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

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

0.0004 Low

EPSS

Percentile

10.5%

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-
OR
emersondeltav_distributed_control_systemMatch-

4.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

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

0.0004 Low

EPSS

Percentile

10.5%

Related for CVE-2021-26264