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CVE-2021-40360

Published: Feb 9, 2022Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-200
8.8HIGH
NVD MITRE
EPSS Score
0.7%
Top 50.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not 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 V7.4 (All versions < V7.4 SP1 Update 19), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 6). The password hash of a local user account in the remote server could be granted via public API to a user on the affected system. An authenticated attacker could brute force the password hash and use it to login to the server.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
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-200CWE-522

Affected Products

Siemens AG
commercial·DEaka Siemens
SIMATIC PCS 7 V8.2
ICS / OT / IoT
SIMATIC PCS 7 V9.0
ICS / OT / IoT
SIMATIC PCS 7 V9.1
ICS / OT / IoT
SIMATIC WinCC V15 and earlier
ICS / OT / IoT
SIMATIC WinCC V16
ICS / OT / IoT
SIMATIC WinCC V17
ICS / OT / IoT
SIMATIC WinCC V7.4
ICS / OT / IoT
SIMATIC WinCC V7.5
ICS / OT / IoT
and 4 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2021-40360?We can run the check for you — a free external exposure review, no install. Check my exposure

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

3 techniques
Collection
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 →

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