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CVE-2021-40363

Published: Feb 9, 2022Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-538
NVD MITRE
7.8CVSSHIGH
EPSS Score
0.2%
Top 94.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A vulnerability has been identified in SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions), SIMATIC PCS 7 V9.1 (All versions < V9.1 SP1), SIMATIC WinCC V15 and earlier (All versions < V15 SP1 Update 7), SIMATIC WinCC V16 (All versions < V16 Update 5), SIMATIC WinCC V17 (All versions < V17 Update 2), SIMATIC WinCC V17 (All versions <= V17 Update 4), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Update 19), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 6). The affected component stores the credentials of a local system account in a potentially publicly accessible project file using an outdated cipher algorithm. An attacker may use this to brute force the credentials and take over the system.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-538CWE-312

Affected Products

simatic pcs 7siemens
On-prem
Enterprise Software / collaboration-groupware
simatic winccsiemens
On-premDesktop App
Enterprise Software / itsm-monitoring
SIMATIC PCS 7Siemens AG
On-prem
Enterprise Software
SIMATIC WinCCSiemens AG
On-premDesktop App
ICS / OT / IoT / industrial-network
SIMATIC PCS 7 V8.2Siemens
On-prem
Enterprise Software / collaboration-groupware
siemenscommercialDEEnterprise Softwareaka siemens ag
siemens agcommercialDEEnterprise Softwareaka siemens
and 7 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
Credential Access
View detailed technique mapping

References

https://cert-portal.siemens.com/productcert/pdf/ssa-914168.pdf
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/csaf/ssa-914168.json
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/txt/ssa-914168.txt
cert-portal.siemens.com
and 8 more references View all →

Timeline

Published
Feb 9, 2022
Last Updated
Nov 21, 2024

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