ByteOS Network

Vulnerability Details :

CVE-2020-11637

Assigner-ABB

Assigner Org ID-2b718523-d88f-4f37-9bbd-300c20644bf9

Published At-15 Oct, 2020 | 15:08

Updated At-16 Sep, 2024 | 16:33

Automation Runtime TFTP Service DoS Vulnerability

A memory leak in the TFTP service in B&R Automation Runtime versions <N4.26, <N4.34, <F4.45, <E4.53, <D4.63, <A4.73 and prior could allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition.

EPSS History

Score

Latest Score

N/A

Percentile

Latest Percentile

N/A

▼Common Vulnerabilities and Exposures (CVE)

cve.org

Assigner:ABB

Assigner Org ID:2b718523-d88f-4f37-9bbd-300c20644bf9

Published At:15 Oct, 2020 | 15:08

Updated At:16 Sep, 2024 | 16:33

▼CVE Numbering Authority (CNA)

Automation Runtime TFTP Service DoS Vulnerability

Affected Products

Vendor

B&R Industrial Automation GmbH

Product

Automation Runtime

Versions

Affected

From unspecified through 4.1x (custom)
From 4.2x before N4.26 (custom)
From 4.3x before N4.34 (custom)
From 4.4x before F4.45 (custom)
From 4.5x before E4.53 (custom)
From 4.6x before D4.63 (custom)
From 4.7x before A4.73 (custom)

Problem Types

Type	CWE ID	Description
CWE	CWE-401	CWE-401 Improper Release of Memory Before Removing Last Reference

Type: CWE

CWE ID: CWE-401

Description: CWE-401 Improper Release of Memory Before Removing Last Reference

Metrics

Version	Base score	Base severity	Vector
3.1	5.8	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

Version: 3.1

Base score: 5.8

Base severity: MEDIUM

Vector:

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

References

Hyperlink	Resource
https://www.br-automation.com/downloads_br_productcatalogue/assets/1595163815396-de-original-1.0.pdf	x_refsource_MISC

Hyperlink: https://www.br-automation.com/downloads_br_productcatalogue/assets/1595163815396-de-original-1.0.pdf

Resource:

x_refsource_MISC

▼Authorized Data Publishers (ADP)

CVE Program Container

References

Hyperlink	Resource
https://www.br-automation.com/downloads_br_productcatalogue/assets/1595163815396-de-original-1.0.pdf	x_refsource_MISC x_transferred

Hyperlink: https://www.br-automation.com/downloads_br_productcatalogue/assets/1595163815396-de-original-1.0.pdf

Resource:

x_refsource_MISC

x_transferred

▼National Vulnerability Database (NVD)

nvd.nist.gov

Source:cybersecurity@ch.abb.com

Published At:15 Oct, 2020 | 16:15

Updated At:14 Sep, 2021 | 17:36

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Secondary	3.1	5.8	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
Primary	2.0	5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P

Type: Primary

Version: 3.1

Base score: 7.5

Base severity: HIGH

Vector:

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

Type: Secondary

Version: 3.1

Base score: 5.8

Base severity: MEDIUM

Vector:

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

Type: Primary

Version: 2.0

Base score: 5.0

Base severity: MEDIUM

Vector:

AV:N/AC:L/Au:N/C:N/I:N/A:P

CPE Matches

B&R Industrial Automation GmbH

>>automation_runtime>>Versions up to 4.10(inclusive)

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

B&R Industrial Automation GmbH

>>automation_runtime>>Versions from 4.20(inclusive) to n4.26(exclusive)

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

B&R Industrial Automation GmbH

>>automation_runtime>>Versions from 4.40(inclusive) to f4.45(exclusive)

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

B&R Industrial Automation GmbH

>>automation_runtime>>Versions from 4.50(inclusive) to e4.53(exclusive)

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

B&R Industrial Automation GmbH

>>automation_runtime>>Versions from 4.60(inclusive) to d4.63(exclusive)

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

B&R Industrial Automation GmbH

>>automation_runtime>>Versions from 4.70(inclusive) to a4.73(exclusive)

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

B&R Industrial Automation GmbH

>>automation_runtime>>Versions from 4.30(inclusive) to n4.34(exclusive)

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

Weaknesses

CWE ID	Type	Source
CWE-401	Primary	nvd@nist.gov
CWE-401	Secondary	cybersecurity@ch.abb.com

CWE ID: CWE-401

Type: Primary

Source: nvd@nist.gov

CWE ID: CWE-401

Type: Secondary

Source: cybersecurity@ch.abb.com

References

Hyperlink	Source	Resource
https://www.br-automation.com/downloads_br_productcatalogue/assets/1595163815396-de-original-1.0.pdf	cybersecurity@ch.abb.com	Vendor Advisory

Hyperlink: https://www.br-automation.com/downloads_br_productcatalogue/assets/1595163815396-de-original-1.0.pdf

Source: cybersecurity@ch.abb.com

Resource:

Vendor Advisory

CVE-2020-11637

Credits

Automation Runtime TFTP Service DoS Vulnerability

Vendors

Products

Metrics (CVSS)

Weaknesses

Attack Patterns

Solution/Workaround

References

EPSS History

Score

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N/A

Percentile

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N/A

Stakeholder-Specific Vulnerability Categorization (SSVC)

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

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Vendor Statements

References

Change History

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