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CVE-2021-44694

Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.

Published: Dec 13, 2022Updated: Nov 21, 2024 Sources: CVE List NVD csafCWE-1287
5.5MEDIUM
NVD MITRE
EPSS Score
0.6%
Top 53.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

Affected SIMATIC firmware contains multiple vulnerabilities that could allow an unauthenticated attacker to perform a denial of service attack under certain conditions. Siemens has released updates for the affected products and recommends to update to the latest versions.

No summary for this CVE yet.

CVSS Vector Breakdown

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

Weaknesses

CWE-1287CWE-20

Affected Products

Siemens
commercial·DEaka siemens ag
simatic s7-plcsim advanced firmware
ICS / OT / IoT
simatic s7-1200 cpu 1211c firmware
ICS / OT / IoT
simatic s7-1200 cpu 1212c firmware
ICS / OT / IoT
simatic s7-1200 cpu 1212fc firmware
ICS / OT / IoT
simatic s7-1200 cpu 1214 fc firmware
ICS / OT / IoT
simatic s7-1200 cpu 1214c firmware
ICS / OT / IoT
simatic s7-1200 cpu 1214fc firmware
ICS / OT / IoT
simatic s7-1200 cpu 1215 fc firmware
ICS / OT / IoT
and 161 more affected products View all →

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://cert-portal.siemens.com/productcert/csaf/ssa-382653.json
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-382653.html
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/pdf/ssa-382653.pdf
cert-portal.siemens.com
and 9 more references View all →

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