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CVE-2021-20987

Hilscher: EtherNet/IP stack crash for specific CIP service

Published: Feb 16, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-787
8.6HIGH
NVD MITRE
EPSS Score
1.1%
Top 38.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:CC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-787

Affected Products

pepperl-fuchs
commercial·DE
wcs firmware
ICS / OT / IoT
pxv100-f200-b25-v1d firmware
ICS / OT / IoT
pxv100i-f200-b25-v1d firmware
ICS / OT / IoT
pcv100-f200-b25-v1d-6011-6720 firmware
ICS / OT / IoT
pcv50-f200-b25-v1d firmware
ICS / OT / IoT
pcv80-f200-b25-v1d firmware
ICS / OT / IoT
pcv100-f200-b25-v1d-6011 firmware
ICS / OT / IoT
Hilscher
commercial·DEaka profinet io device, ethernet/ip adapter firmware
ethernet\/ip adapter firmwareEmbedded
ICS / OT / IoT / industrial-network
EtherNet/IP Core V2Embedded
ICS / OT / IoT / industrial-network
Pepper+Fuchs
commercial·DEaka wcs, pcv pxv pgv, comtrol io-link master
PCV/PXV/PGVEmbedded
ICS / OT / IoT / industrial-network
WCSEmbedded
ICS / OT / IoT / industrial-network

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://cert.vde.com/en-us/advisories/vde-2021-007
cert.vde.com
https://kb.hilscher.com/pages/viewpage.action?pageId=108969480
kb.hilscher.com

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