CVE-2021-20987

Hilscher: EtherNet/IP stack crash for specific CIP service

State: Published
Severity: 8.6 High
Published: Feb 16, 2021
Updated: Sep 16, 2024
Reserved: Dec 17, 2020

Description

A denial of service and memory corruption vulnerability was found in Hilscher EtherNet/IP Core V2 prior to V2.13.0.21that may lead to code injection through network or make devices crash without recovery.

Scores

CVSS	Score	Vector	Source
3.1	8.6 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H	CERTVDE

Weaknesses

CWE-787 Out-of-bounds Write

Affected Products

Product	Versions
EtherNet/IP Core V2Hilscher	V2 to before V2.13.0.21Affected
PCV/PXV/PGVPepper+Fuchs	PXV100-F200-B25-V1D, PXV100I-F200-B25-V1D, PCV100-F200-B25-V1D-6011-6720, PCV50-F200-B25-V1D, PCV80-F200-B25-V1D, PCV100-F200-B25-V1D-6011 through V1.10.0Affected
WCSPepper+Fuchs	WCS3B-LS510, WCS3B-LS510H, WCS3B-LS510D, WCS3B-LS510DH, WCS3B-LS510H-OM, WCS3B-LS510DH-OM, WCS3B-LS510D-OM, WCS3B-LS510-OM through V1.2.1Affected

References

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