CVE-2020-6986 Information

Description

In all versions of Omron PLC CJ Series an attacker can send a series of specific data packets within a short period causing a service error on the PLC Ethernet module which in turn causes a PLC service denied result.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://www.us-cert.gov/ics/advisories/icsa-20-063-03

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5