CVE-2021-22275 - Vulnerability Details - OpenCVE

Buffer Overflow vulnerability in B&R Automation Runtime webserver allows an unauthenticated network-based attacker to stop the cyclic program on the device and cause a denial of service.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00438.

Key SSVC decision points have not yet been added.

Vendors	Products
Br-automation	Automation Runtime

Configuration 1 [-]

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

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2021-9421	Buffer Overflow vulnerability in B&R Automation Runtime webserver allows an unauthenticated network-based attacker to stop the cyclic program on the device and cause a denial of service.

Fixes

Solution

No solution given by the vendor.

Workaround

B&R recommends the following specific workarounds and mitigations: The access to the Automation Runtime webserver should be restricted to legitimate network partners, using e.g. a sufficient Firewall setup and robust network segmentation. B&R recommends deactivating Automation Runtime webserver when not needed.

References

Link	Providers
https://www.br-automation.com/downloads_br_productcatalogue/assets/1625405588264-en-original-1.0.pdf

History

No history.

MITRE

Status: PUBLISHED

Assigner: ABB

Published: 2022-05-13T14:23:20

Updated: 2024-08-03T18:37:18.446Z

Reserved: 2021-01-05T00:00:00

Link: CVE-2021-22275

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-05-13T15:15:08.130

Modified: 2024-11-21T05:49:49.593

Link: CVE-2021-22275

Redhat

No data.

OpenCVE Enrichment

No data.

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