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Vulnerability Details :

CVE-2020-24686

Summary
Assigner-ABB
Assigner Org ID-2b718523-d88f-4f37-9bbd-300c20644bf9
Published At-26 Feb, 2021 | 15:10
Updated At-04 Aug, 2024 | 15:19
Rejected At-
Credits

AC500 V2 webserver denial of service vulnerability

The vulnerabilities can be exploited to cause the web visualization component of the PLC to stop and not respond, leading to genuine users losing remote visibility of the PLC state. If a user attempts to login to the PLC while this vulnerability is exploited, the PLC will show an error state and refuse connections to Automation Builder. The execution of the PLC application is not affected by this vulnerability. This issue affects ABB AC500 V2 products with onboard Ethernet.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:ABB
Assigner Org ID:2b718523-d88f-4f37-9bbd-300c20644bf9
Published At:26 Feb, 2021 | 15:10
Updated At:04 Aug, 2024 | 15:19
Rejected At:
▼CVE Numbering Authority (CNA)
AC500 V2 webserver denial of service vulnerability

The vulnerabilities can be exploited to cause the web visualization component of the PLC to stop and not respond, leading to genuine users losing remote visibility of the PLC state. If a user attempts to login to the PLC while this vulnerability is exploited, the PLC will show an error state and refuse connections to Automation Builder. The execution of the PLC application is not affected by this vulnerability. This issue affects ABB AC500 V2 products with onboard Ethernet.

Affected Products
Vendor
ABBABB
Product
AC500 V2 products with onboard Ethernet
Versions
Affected
  • All
Problem Types
TypeCWE IDDescription
CWECWE-400CWE-400 Uncontrolled Resource Consumption
Type: CWE
CWE ID: CWE-400
Description: CWE-400 Uncontrolled Resource Consumption
Metrics
VersionBase scoreBase severityVector
3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://search.abb.com/library/Download.aspx?DocumentID=3ADR010645&LanguageCode=en&DocumentPartId=&Action=Launch
x_refsource_CONFIRM
Hyperlink: https://search.abb.com/library/Download.aspx?DocumentID=3ADR010645&LanguageCode=en&DocumentPartId=&Action=Launch
Resource:
x_refsource_CONFIRM
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://search.abb.com/library/Download.aspx?DocumentID=3ADR010645&LanguageCode=en&DocumentPartId=&Action=Launch
x_refsource_CONFIRM
x_transferred
Hyperlink: https://search.abb.com/library/Download.aspx?DocumentID=3ADR010645&LanguageCode=en&DocumentPartId=&Action=Launch
Resource:
x_refsource_CONFIRM
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cybersecurity@ch.abb.com
Published At:26 Feb, 2021 | 16:15
Updated At:05 Mar, 2021 | 14:13

The vulnerabilities can be exploited to cause the web visualization component of the PLC to stop and not respond, leading to genuine users losing remote visibility of the PLC state. If a user attempts to login to the PLC while this vulnerability is exploited, the PLC will show an error state and refuse connections to Automation Builder. The execution of the PLC application is not affected by this vulnerability. This issue affects ABB AC500 V2 products with onboard Ethernet.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Secondary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary2.05.0MEDIUM
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: 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: 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
ABB
abb
>>pm554>>-
cpe:2.3:h:abb:pm554:-:*:*:*:*:*:*:*
ABB
abb
>>pm554_firmware>>-
cpe:2.3:o:abb:pm554_firmware:-:*:*:*:*:*:*:*
ABB
abb
>>pm556>>-
cpe:2.3:h:abb:pm556:-:*:*:*:*:*:*:*
ABB
abb
>>pm556_firmware>>-
cpe:2.3:o:abb:pm556_firmware:-:*:*:*:*:*:*:*
ABB
abb
>>pm564>>-
cpe:2.3:h:abb:pm564:-:*:*:*:*:*:*:*
ABB
abb
>>pm564_firmware>>-
cpe:2.3:o:abb:pm564_firmware:-:*:*:*:*:*:*:*
ABB
abb
>>pm566>>-
cpe:2.3:h:abb:pm566:-:*:*:*:*:*:*:*
ABB
abb
>>pm566_firmware>>-
cpe:2.3:o:abb:pm566_firmware:-:*:*:*:*:*:*:*
ABB
abb
>>pm572>>-
cpe:2.3:h:abb:pm572:-:*:*:*:*:*:*:*
ABB
abb
>>pm572_firmware>>-
cpe:2.3:o:abb:pm572_firmware:-:*:*:*:*:*:*:*
ABB
abb
>>pm573>>-
cpe:2.3:h:abb:pm573:-:*:*:*:*:*:*:*
ABB
abb
>>pm573_firmware>>-
cpe:2.3:o:abb:pm573_firmware:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-400Primarynvd@nist.gov
CWE-400Secondarycybersecurity@ch.abb.com
CWE ID: CWE-400
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-400
Type: Secondary
Source: cybersecurity@ch.abb.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://search.abb.com/library/Download.aspx?DocumentID=3ADR010645&LanguageCode=en&DocumentPartId=&Action=Launchcybersecurity@ch.abb.com
Vendor Advisory
Hyperlink: https://search.abb.com/library/Download.aspx?DocumentID=3ADR010645&LanguageCode=en&DocumentPartId=&Action=Launch
Source: cybersecurity@ch.abb.com
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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