CVE-2021-20987

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.

CVSS v3 8.6 HIGH
CVSS v2.0 7.8 HIGH

8.6^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

7.8^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://cert.vde.com/en-us/advisories/vde-2021-007	Third Party Advisory
https://kb.hilscher.com/pages/viewpage.action?pageId=108969480	Vendor Advisory
https://cert.vde.com/en-us/advisories/vde-2021-007	Third Party Advisory
https://kb.hilscher.com/pages/viewpage.action?pageId=108969480	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:hilscher:ethernet\/ip_adapter_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:hilscher:ethernet\/ip_adapter:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:pepperl-fuchs:wcs_firmware:*:*:*:*:*:*:*:*

OR	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:-:::::::*

Configuration 3 (hide)

AND

cpe:2.3:o:pepperl-fuchs:pxv100-f200-b25-v1d_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:pepperl-fuchs:pxv100-f200-b25-v1d:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:pepperl-fuchs:pxv100i-f200-b25-v1d_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:pepperl-fuchs:pxv100i-f200-b25-v1d:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND

cpe:2.3:o:pepperl-fuchs:pcv100-f200-b25-v1d-6011-6720_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:pepperl-fuchs:pcv100-f200-b25-v1d-6011-6720:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND

cpe:2.3:o:pepperl-fuchs:pcv50-f200-b25-v1d_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:pepperl-fuchs:pcv50-f200-b25-v1d:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND

cpe:2.3:o:pepperl-fuchs:pcv80-f200-b25-v1d_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:pepperl-fuchs:pcv80-f200-b25-v1d:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND

cpe:2.3:o:pepperl-fuchs:pcv100-f200-b25-v1d-6011_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:pepperl-fuchs:pcv100-f200-b25-v1d-6011:-:*:*:*:*:*:*:*

History

21 Nov 2024, 05:47

Type	Values Removed	Values Added
References	~~() https://cert.vde.com/en-us/advisories/vde-2021-007 - Third Party Advisory~~	() https://cert.vde.com/en-us/advisories/vde-2021-007 - Third Party Advisory
References	~~() https://kb.hilscher.com/pages/viewpage.action?pageId=108969480 - Vendor Advisory~~	() https://kb.hilscher.com/pages/viewpage.action?pageId=108969480 - Vendor Advisory

Information

Published : 2021-02-16 17:15

Updated : 2024-11-21 05:47

NVD link : CVE-2021-20987

Mitre link : CVE-2021-20987

CVE.ORG link : CVE-2021-20987

JSON object : View

Products Affected

hilscher

ethernet\/ip_adapter_firmware
ethernet\/ip_adapter

pepperl-fuchs

pcv100-f200-b25-v1d-6011-6720
wcs3b-ls510dh
wcs3b-ls510h
pcv100-f200-b25-v1d-6011_firmware
wcs3b-ls510
wcs3b-ls510dh-om
pcv50-f200-b25-v1d
wcs_firmware
pcv100-f200-b25-v1d-6011-6720_firmware
pxv100-f200-b25-v1d_firmware
pxv100i-f200-b25-v1d_firmware
pcv50-f200-b25-v1d_firmware
pcv100-f200-b25-v1d-6011
wcs3b-ls510d
pcv80-f200-b25-v1d_firmware
pxv100i-f200-b25-v1d
wcs3b-ls510d-om
wcs3b-ls510-om
pcv80-f200-b25-v1d
wcs3b-ls510h-om
pxv100-f200-b25-v1d

CWE

CWE-787

Out-of-bounds Write

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8.6 /10

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

7.8 /10

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

JSON object

Attach tags to CVE-2021-20987

8.6^/10

7.8^/10

Attach tags to `CVE-2021-20987`