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Vulnerability · Published Aug 31, 2020 · Assigned by schneider

CVE-2020-7524

High 7.5

In plain English

A high-severity out-of-bounds write in Modicon M218 Logic Controller V5.0.0.7 and prior. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities).

Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.4%top 27.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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 products (as reported)

VendorProductVersions
n/a Modicon M218 Logic Controller V5.0.0.7 and prior Modicon M218 Logic Controller V5.0.0.7 and prior

Weakness: CWE-787

References