CVE-2020-24686: high-severity vulnerability in ABB AC500 V2 products with onboard Ethernet
AC500 V2 webserver denial of service vulnerability
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 2.5%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
ABB · AC500 V2 products with onboard EthernetRelated CVEs — ABB AC500 V2 products with onboard Ethernet
In the same product, most dangerous first.