CVE-2020-7524

HIGH
7.5
CVSS Score
Published: August 31, 2020 at 04:12 PM UTC
Updated: June 17, 2026 at 03:24 AM UTC
3 products affected across 1 vendorModicon M218 FirmwareModicon M218Electric Modicon M218

Using Modicon M218 Logic Controller V5.0.0.7 and prior by N/A?

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 5.0.0.7
schneider-electric-modicon-m218 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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