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[email protected]CVE-2021-22280

HistoryMay 14, 2024 - 8:15 p.m.

CVE-2021-22280

2024-05-1420:15:11

[email protected]

web.nvd.nist.gov

dll loading

b&r automation studio

local attacker

privilege escalation

cve-2021-22280

nvd

7.2 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.9 Medium

AI Score

Confidence

Low

3.4 Low

CVSS2

Access Vector

LOCAL

Access Complexity

HIGH

Authentication

MULTIPLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:H/Au:M/C:P/I:P/A:P

0.0004 Low

EPSS

Percentile

8.7%

JSON

Improper DLL loading algorithms in B&R Automation Studio versions >=4.0 and <4.12 may allow an authenticated local attacker to execute code in the context of the product.

References

www.br-automation.com/fileadmin/2021-10_DLL_Hijacking_Vulnerability_in_Automation_Studio-7dd34511.pdf

7.2 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.9 Medium

AI Score

Confidence

Low

3.4 Low

CVSS2

Access Vector

LOCAL

Access Complexity

HIGH

Authentication

MULTIPLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:H/Au:M/C:P/I:P/A:P

0.0004 Low

EPSS

Percentile

8.7%

JSON

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