What is CVE-2020-7502?

CVE-2020-7502 is a high-severity vulnerability in Schneider-electric Modicon_m218, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2020-06-16.

How severe is CVE-2020-7502?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Schneider-electric Modicon_m218

CVE-2020-7502

A CWE-787: Out-of-bounds Write vulnerability exists in Modicon M218 Logic Controller (Firmware version 4.3 and prior), which may cause a Denial of Service when specific TCP/IP crafted packets are sent to the Modicon M218 Logic Controller.

Vulnerability class: Buffer Overflow

EPSS: 0.015 (71.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Schneider-electric Modicon_m218
Schneider-electric Modicon_m218_firmware
N/a Modicon M218 Logic Controller (Firmware Version 4.3 And Prior) — versions Modicon M218 Logic Controller (Firmware version 4.3 and prior)

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cybersecurity@se.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-7502?: CVE-2020-7502 is a high-severity vulnerability in Schneider-electric Modicon_m218, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2020-06-16.
How severe is CVE-2020-7502?: High severity. CVSS v3 base score is 7.5 out of 10.