Insufficiently protected credentials in Siemens SIMATIC S7-1200 and S7-1500 CPU Families



Published: 2022-10-12
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-38465
CWE-ID CWE-522
Exploitation vector Local
Public exploit N/A
Vulnerable software
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SIMATIC ET 200SP Open Controller CPU 1515SP PC
Hardware solutions / Other hardware appliances

SIMATIC Drive Controller
Hardware solutions / Firmware

SIMATIC S7-1200 CPU family
Hardware solutions / Firmware

SIMATIC S7-1500 CPU
Hardware solutions / Firmware

SIMATIC ET 200SP Open Controller CPU 1515SP PC2
Server applications / SCADA systems

SIMATIC S7-1500 Software Controller
Server applications / SCADA systems

SIMATIC S7-PLCSIM Advanced
Server applications / SCADA systems

Vendor Siemens

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Insufficiently protected credentials

EUVDB-ID: #VU68263

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2022-38465

CWE-ID: CWE-522 - Insufficiently Protected Credentials

Exploit availability: No

Description

The vulnerability allows a local attacker to compromise the target system.

The vulnerability exists due to insufficiently protected credentials. A local attacker can discover the private key of a CPU product family and extract confidential configuration data from projects that are protected by that key or perform attacks against legacy PG/PC and HMI communication.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SIMATIC ET 200SP Open Controller CPU 1515SP PC: All versions

SIMATIC Drive Controller: before 2.9.2

SIMATIC ET 200SP Open Controller CPU 1515SP PC2: before 21.9

SIMATIC S7-1200 CPU family: before 4.5.0

SIMATIC S7-1500 CPU: before 2.9.2

SIMATIC S7-1500 Software Controller: before 21.9

SIMATIC S7-PLCSIM Advanced: before 4.0


CPE2.3 External links

http://cert-portal.siemens.com/productcert/pdf/ssa-568427.pdf

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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