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CVE-2020-24685

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CVSS 3.1
8.6 high
EPSS
2%p74
Published
()
Modified
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.

Vendors
abb
Products
ac500 cpu firmware
Weakness
CWE-789, CWE-770
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
NVD CVE.org GitHub PoCs EPSS (1.6%)

In the news

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