Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-20987

Severity CVSS v4.0:
Pending analysis
Type:
CWE-787 Out-of-bounds Write
Publication date:
16/02/2021
Last modified:
26/04/2022

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.60 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
8.60
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
7.80
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:hilscher:ethernet\/ip_adapter_firmware:*:*:*:*:*:*:*:* 2.0 (including) 2.13.0.21 (excluding)
cpe:2.3:h:hilscher:ethernet\/ip_adapter:-:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:wcs_firmware:*:*:*:*:*:*:*:* 1.2.1 (including)
cpe:2.3:h:pepperl-fuchs:wcs3b-ls510:-:*:*:*:*:*:*:*
cpe:2.3:h:pepperl-fuchs:wcs3b-ls510-om:-:*:*:*:*:*:*:*
cpe:2.3:h:pepperl-fuchs:wcs3b-ls510d:-:*:*:*:*:*:*:*
cpe:2.3:h:pepperl-fuchs:wcs3b-ls510d-om:-:*:*:*:*:*:*:*
cpe:2.3:h:pepperl-fuchs:wcs3b-ls510dh:-:*:*:*:*:*:*:*
cpe:2.3:h:pepperl-fuchs:wcs3b-ls510dh-om:-:*:*:*:*:*:*:*
cpe:2.3:h:pepperl-fuchs:wcs3b-ls510h:-:*:*:*:*:*:*:*
cpe:2.3:h:pepperl-fuchs:wcs3b-ls510h-om:-:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:pxv100-f200-b25-v1d_firmware:*:*:*:*:*:*:*:* 1.10.0 (including)
cpe:2.3:h:pepperl-fuchs:pxv100-f200-b25-v1d:-:*:*:*:*:*:*:*
cpe:2.3:o:pepperl-fuchs:pxv100i-f200-b25-v1d_firmware:*:*:*:*:*:*:*:* 1.10.0 (including)
cpe:2.3:h:pepperl-fuchs:pxv100i-f200-b25-v1d:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools