VULNERABILITY INTELLIGENCE

CVE-2020-7524

CVSS score7.5 HIGH
EPSS probability1.39%
CISA KEVNot currently listed
Published2020-08-31
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

Out-of-bounds Write vulnerability exists in Modicon M218 Logic Controller (V5.0.0.7 and prior) which could cause Denial of Service when sending specific crafted IPV4 packet to the controller: Sending a specific IPv4 protocol package to Schneider Electric Modicon M218 Logic Controller can cause IPv4 devices to go down. The device does not work properly and must be powered back on to return to normal.

Weakness classification

  • cybersecurity@se.com: CWE-787

Primary references