CVE-2021-22275
Published on: Not Yet Published
Last Modified on: 05/25/2022 05:27:00 PM UTC
Certain versions of Automation Runtime from Br-automation contain the following vulnerability:
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.
- CVE-2021-22275 has been assigned by
[email protected] to track the vulnerability - currently rated as HIGH severity.
- Affected Vendor/Software:
B&R Automation - Automation Runtime webserver version < 4.91
Vulnerability Patch/Work Around
- 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.
CVSS3 Score: 8.6 - HIGH
Attack Vector ⓘ |
Attack Complexity |
Privileges Required |
User Interaction |
---|---|---|---|
NETWORK | LOW | NONE | NONE |
Scope | Confidentiality Impact |
Integrity Impact |
Availability Impact |
CHANGED | NONE | NONE | HIGH |
CVSS2 Score: 7.8 - HIGH
Access Vector ⓘ |
Access Complexity |
Authentication |
---|---|---|
NETWORK | LOW | NONE |
Confidentiality Impact |
Integrity Impact |
Availability Impact |
NONE | NONE | COMPLETE |
CVE References
Description | Tags ⓘ | Link |
---|---|---|
www.br-automation.com application/pdf |
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There are currently no QIDs associated with this CVE
Known Affected Configurations (CPE V2.3)
Type | Vendor | Product | Version | Update | Edition | Language |
---|---|---|---|---|---|---|
Application | Br-automation | Automation Runtime | All | All | All | All |
- cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:*:
No vendor comments have been submitted for this CVE
Social Mentions
Source | Title | Posted (UTC) |
---|---|---|
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CVE-2021-22275 : Buffer Overflow vulnerability in B&R Automation Runtime webserver allows an unauthenticated networ… twitter.com/i/web/status/1… | 2022-05-13 15:18:23 |
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New vulnerability on the NVD: CVE-2021-22275 ift.tt/k08FTpd May 14, 2022 at 03:15AM | 2022-05-13 16:16:18 |
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New vulnerability on the NVD: CVE-2021-22275 ift.tt/k08FTpd | 2022-05-13 16:40:33 |
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CVE-2021-22275 ift.tt/k08FTpd | 2022-05-13 16:52:31 |
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CVE-2021-22275 | 2022-05-13 16:38:34 |