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CVE-2021-20986

Hilscher: Denial of Service vulnerability in PROFINET IO Device

Published: Feb 16, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-787
NVD MITRE
7.5CVSSHIGH
EPSS Score
1.0%
Top 41.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A Denial of Service vulnerability was found in Hilscher PROFINET IO Device V3 in versions prior to V3.14.0.7. This may lead to unexpected loss of cyclic communication or interruption of acyclic communication.

CVSS Vector Breakdown

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

Weaknesses

CWE-787

Affected Products

PROFINET IO DeviceHilscher
Embedded
ICS / OT / IoT / industrial-network
PCV/PXV/PGVPepper+Fuchs
Embedded
ICS / OT / IoT / industrial-network
PXV/PGV B28 ProfisafePepper+Fuchs
Embedded
ICS / OT / IoT / industrial-network
OHVPepper+Fuchs
Embedded
ICS / OT / IoT / industrial-network
OITPepper+Fuchs
Embedded
ICS / OT / IoT / industrial-network
hilschercommercialDEICS / OT / IoTaka ethernet/ip adapter firmware, profinet io device
pepper+fuchscommercialDEICS / OT / IoTaka comtrol io-link master, pcv pxv pgv, wcs
and 26 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://kb.hilscher.com/display/ISMS/2020-12-03+Denial+of+Service+vulnerability+in+PROFINET+IO+Device
kb.hilscher.com
https://cert.vde.com/en-us/advisories/vde-2021-006
cert.vde.com

Timeline

Published
Feb 16, 2021
Last Updated
Nov 21, 2024

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