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CVE-2021-37172

Published: Aug 10, 2021Updated: Nov 21, 2024 Sources: CVE List NVD csafCWE-287
7.5HIGH
NVD MITRE
EPSS Score
0.9%
Top 43.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

A vulnerability has been identified in SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (V4.5.0). Affected devices fail to authenticate against configured passwords when provisioned using TIA Portal V13. This could allow an attacker using TIA Portal V13 or later versions to bypass authentication and download arbitrary programs to the PLC. The vulnerability does not occur when TIA Portal V13 SP1 or any later version was used to provision the device.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:HA:N
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:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-287

Affected Products

Siemens
commercial·DEaka siemens ag
SIMATIC S7-1200 CPU family (incl. SIPLUS variants)
ICS / OT / IoT
simatic s7-1200 cpu firmware
ICS / OT / IoT
simatic step 7 \(tia portal\)
ICS / OT / IoT

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
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References

https://cert-portal.siemens.com/productcert/pdf/ssa-830194.pdf
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/csaf/ssa-830194.json
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/txt/ssa-830194.txt
cert-portal.siemens.com
and 10 more references View all →

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