CVE-2020-24686

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
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.
Overview
  • CVE ID
  • CVE-2020-24686
  • Assigner
  • cybersecurity@ch.abb.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-02-26T16:15:12
  • Last Modified Date
  • 2021-03-05T14:13:47
Weakness Enumerations
CWE URL
CWE-400 http://cwe.mitre.org/data/definitions/400.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:abb:pm554_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:abb:pm554:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:abb:pm556_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:abb:pm556:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:abb:pm564_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:abb:pm564:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:abb:pm566_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:abb:pm566:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:abb:pm572_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:abb:pm572:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:abb:pm573_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:abb:pm573:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://search.abb.com/library/Download.aspx?DocumentID=3ADR010645&LanguageCode=en&DocumentPartId=&Action=Launch Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-24686
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24686
History
Created Old Value New Value Data Type Notes
2022-05-10 07:20:54 Added to TrackCVE
2022-12-05 22:52:50 2021-02-26T16:15Z 2021-02-26T16:15:12 CVE Published Date updated
2022-12-05 22:52:50 2021-03-05T14:13:47 CVE Modified Date updated
2022-12-05 22:52:50 Analyzed Vulnerability Status updated