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MEDIUM · 6.8

CVE-2020-28220

A CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists in Modicon M258 Firmware (All versions prior to V5.0.4.11) and SoMachine/SoMachine Motion softwa...

Vulnerability Description

A CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists in Modicon M258 Firmware (All versions prior to V5.0.4.11) and SoMachine/SoMachine Motion software (All versions), that could cause a buffer overflow when the length of a file transferred to the webserver is not verified.

CVSS Score

6.8

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Schneider-ElectricModicon M258 Firmware< 5.0.4.11
Schneider-ElectricModicon M258-
Schneider-ElectricSomachineAll versions
Schneider-ElectricSomachine MotionAll versions

Related Weaknesses (CWE)

CWE-119

References

FAQ

What is CVE-2020-28220?

CVE-2020-28220 is a vulnerability with a CVSS score of 6.8 (MEDIUM). A CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists in Modicon M258 Firmware (All versions prior to V5.0.4.11) and SoMachine/SoMachine Motion softwa...

How severe is CVE-2020-28220?

CVE-2020-28220 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-28220?

Check the references section above for vendor advisories and patch information. Affected products include: Schneider-Electric Modicon M258 Firmware, Schneider-Electric Modicon M258, Schneider-Electric Somachine, Schneider-Electric Somachine Motion.