CVE-2020-7524 - CVE House
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Status published High CVE-2020-7524

Out-of-bounds Write vulnerability exists in Modicon M218 Logic Controller (V5.0.0.7...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

Modicon M218 Logic Controller V5.0.0.7 and prior
Vulnerable Versions:
Modicon M218 Logic Controller V5.0.0.7 and prior

Timeline

Official Publish: August 31st, 2020
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)