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CVE-2021-40365

Published: Dec 13, 2022Updated: Nov 21, 2024 Sources: CVE List NVD csafCWE-20
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.9%
Top 45.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

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-20NVD-CWE-noinfo

Affected Products

simatic s7-plcsim advanced firmwaresiemens
On-prem
Enterprise Software / collaboration-groupware
simatic s7-1200 cpu 1211c firmwaresiemens
On-prem
Enterprise Software / collaboration-groupware
simatic s7-1200 cpu 1212c firmwaresiemens
On-prem
Enterprise Software / collaboration-groupware
simatic s7-1200 cpu 1212fc firmwaresiemens
On-prem
Enterprise Software / collaboration-groupware
simatic s7-1200 cpu 1214 fc firmwaresiemens
On-prem
Enterprise Software / collaboration-groupware
siemenscommercialDEEnterprise Softwareaka siemens ag
and 168 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

1 technique
Initial Access
View detailed technique mapping

References

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

Timeline

Published
Dec 13, 2022
Last Updated
Nov 21, 2024

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