CVE-2020-7524 — Out-of-bounds Write in Modicon M218 Firmware

CWE-787 — Out-of-bounds Write3 documents3 sources
Severity
7.5HIGHNVD
EPSS
0.4%
top 39.99%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Schneider-electric Modicon M218 Firmware
Timeline
PublishedAug 31
Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages1 packages

🔴Vulnerability Details

2
GHSA
GHSA-v479-fx8q-4c3m: Out-of-bounds Write vulnerability exists in Modicon M218 Logic Controller (V5↗2022-05-24
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CVEList
CVE-2020-7524: Out-of-bounds Write vulnerability exists in Modicon M218 Logic Controller (V5↗2020-08-31
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CVE-2020-7524 — Out-of-bounds Write | cvebase