CVE-2020-24685

AC500 V2 unauthenticated crafter packet vulnerability

Description

An unauthenticated specially crafted packet sent by an attacker over the network will cause a denial-of-service (DoS) vulnerability. Vulnerability allows attacker to stop the PLC. After stopping (ERR LED flashing red), physical access to the PLC is required in order to restart the application. This issue affects: ABB AC500 V2 products with onboard Ethernet version 2.8.4 and prior versions.

Categories

8.6
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.80% Top 30%
Vendor Advisory abb.com
Affected: ABB AC500 V2 products with onboard Ethernet
Published at:
Updated at:

References

Link Tags
https://search.abb.com/library/Download.aspx?DocumentID=3ADR010667&LanguageCode=en&DocumentPartId=&Action=Launch patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-24685?
CVE-2020-24685 has been scored as a high severity vulnerability.
How to fix CVE-2020-24685?
To fix CVE-2020-24685, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-24685 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-24685 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-24685?
CVE-2020-24685 affects ABB AC500 V2 products with onboard Ethernet.
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