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CVE-2022-38465

CRITICAL
Published 2022-10-11T00:00:00.000Z
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CVSS Score

V3.1
9.3
/10
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.253
Higher than 25.3% of all CVEs

Attack Vector Metrics

Attack Vector
Not Available
Attack Complexity
Not Available
Privileges Required
Not Available
User Interaction
Not Available
Scope
Not Available

Impact Metrics

Confidentiality
Not Available
Integrity
Not Available
Availability
Not Available

Description

A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V21.9), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions < V4.5.0), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V2.9.2), SIMATIC S7-1500 Software Controller (All versions < V21.9), SIMATIC S7-PLCSIM Advanced (All versions < V4.0), SINUMERIK MC (All versions < V6.21), SINUMERIK ONE (All versions < V6.21). Affected products protect the built-in global private key in a way that cannot be considered sufficient any longer. The key is used for the legacy protection of confidential configuration data and the legacy PG/PC and HMI communication.

This could allow attackers to discover the private key of a CPU product family by an offline attack against a single CPU of the family. Attackers could then use this knowledge to extract confidential configuration data from projects that are protected by that key or to perform attacks against legacy PG/PC and HMI communication.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Siemens

SIMATIC Drive Controller family

Affected Versions:

All versions < V2.9.2
Siemens

SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants)

Affected Versions:

All versions
Siemens

SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants)

Affected Versions:

All versions < V21.9
Siemens

SIMATIC S7-1200 CPU family (incl. SIPLUS variants)

Affected Versions:

All versions < V4.5.0
Siemens

SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants)

Affected Versions:

All versions < V2.9.2
Siemens

SIMATIC S7-1500 Software Controller

Affected Versions:

All versions < V21.9
Siemens

SIMATIC S7-PLCSIM Advanced

Affected Versions:

All versions < V4.0
Siemens

SINUMERIK MC

Affected Versions:

All versions < V6.21
Siemens

SINUMERIK ONE

Affected Versions:

All versions < V6.21

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-45px-m6q7-hv4p

Advisory Details

A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V21.9), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions < V4.5.0), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V2.9.2), SIMATIC S7-1500 Software Controller (All versions < V21.9), SIMATIC S7-PLCSIM Advanced (All versions < V4.0). Affected products protect the built-in global private key in a way that cannot be considered sufficient any longer. The key is used for the legacy protection of confidential configuration data and the legacy PG/PC and HMI communication. This could allow attackers to discover the private key of a CPU product family by an offline attack against a single CPU of the family. Attackers could then use this knowledge to extract confidential configuration data from projects that are protected by that key or to perform attacks against legacy PG/PC and HMI communication.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2022-38465
WEB https://cert-portal.siemens.com/productcert/pdf/ssa-568427.pdf
WEB https://cert-portal.siemens.com/productcert/pdf/ssa-568428.pdf

Advisory provided by GitHub Security Advisory Database. Published: October 11, 2022, Modified: October 14, 2022

References

https://cert-portal.siemens.com/productcert/pdf/ssa-568427.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-568428.pdf
Published: 2022-10-11T00:00:00.000Z
Last Modified: 2025-04-21T13:48:21.222Z
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