CVE Vulnerability

CVE-2020-24685

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

8.6 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://search.abb.com/library/Download.aspx?DocumentID=3ADR010667&LanguageCode=en&DocumentPartId=&Action=Launch Patch Vendor Advisory
Configurations

Configuration 1
Information

Published : 2021-02-09 04:15

Updated : 2021-02-16 04:09

NVD link : CVE-2020-24685

Mitre link : CVE-2020-24685

Products Affected
No products.
CWE
CWE-770