How severe is CVE-2020-24681?

CVE-2020-24681 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-24681 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-24681?

CVE-2020-24681 affects Br-automation Automation Studio. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-24681?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2020-24681 have an EU (EUVD) identifier?

Yes. CVE-2020-24681 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-17395.

When was CVE-2020-24681 published?

CVE-2020-24681 was published on 2024-02-02 and last updated on 2026-06-17.

CVE-2020-24681

CVE-2020-24681 is a high-severity vulnerability in Br-automation Automation Studio with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.

Key facts

Severity: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-17395
Weakness: CWE-732
Affected product: Br-automation Automation Studio
Published: 2024-02-02
Last modified: 2026-06-17

Description

Incorrect Permission Assignment for Critical Resource vulnerability in B&R Industrial Automation Automation Studio allows Privilege Escalation.This issue affects Automation Studio: from 4.6.0 through 4.6.X, from 4.7.0 before 4.7.7 SP, from 4.8.0 before 4.8.6 SP, from 4.9.0 before 4.9.4 SP.

Frequently asked questions

What is CVE-2020-24681?: Incorrect Permission Assignment for Critical Resource vulnerability in B&R Industrial Automation Automation Studio allows Privilege Escalation.This issue affects Automation Studio: from 4.6.0 through 4.6.X, from 4.7.0 before 4.7.7 SP, from 4.8.0 before 4.8.6 SP, from 4.9.0 before 4.9.4 SP.
How severe is CVE-2020-24681?: CVE-2020-24681 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-24681 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-24681?: CVE-2020-24681 affects Br-automation Automation Studio. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-24681?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2020-24681 have an EU (EUVD) identifier?: Yes. CVE-2020-24681 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-17395.
When was CVE-2020-24681 published?: CVE-2020-24681 was published on 2024-02-02 and last updated on 2026-06-17.

References

https://www.br-automation.com/fileadmin/2021-14-BR-AS-NET-PVI-Service-Issues-c3710fbf.pdf

Affected products (1)

cpe:2.3:a:br-automation:automation_studio:*:*:*:*:*:*:*:*

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