CVE-2021-22280

highpriority · track · 0EPSS 0.002 · 6 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.17% (6th) EPSS

CVSS 7.2 · high

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-23

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.2

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7.2

v3.17.2highCVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.2highCVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:Hsecondary · cybersecurity@ch.abb.comexploitability 0.6 · impact 6

v3.16.6mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-427USprimaryCWE-20US

affected products (2)

Products and version ranges known to be affected.

B&R Industrial Automation Automation Studio0 → 4.12enisa_euvdEU
br-automation automation studio4.0 → 4.12nvdUScpe:2.3:a:br-automation:automation_studio:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2024-05-14modified 2026-06-17

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+1380 more

references (5)

External citations — patches, advisories, analysis.

scry

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