Multiple vulnerabilities in Siemens CP-8031 MASTER MODULE and CP-8050 MASTER MODULE



Risk Low
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2023-33919
CVE-2023-33920
CVE-2023-33921
CWE-ID CWE-77
CWE-798
CWE-749
Exploitation vector Network
Public exploit N/A
Vulnerable software
 CP-8031 MASTER MODULE
Hardware solutions / Firmware

CP-8050 MASTER MODULE
Hardware solutions / Firmware

Vendor Siemens

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Command Injection

EUVDB-ID: #VU77346

Risk: Low

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-33919

CWE-ID: CWE-77 - Command injection

Exploit availability: No

Description

The vulnerability allows a remote user to execute arbitrary commands on the target system.

The vulnerability exists due to improper input validation. A remote administrator can pass specially crafted data to the application and execute arbitrary commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CP-8031 MASTER MODULE: before CPCI85 V05

CP-8050 MASTER MODULE: before CPCI85 V05

CPE2.3 External links

https://cert-portal.siemens.com/productcert/pdf/ssa-731916.pdf


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Use of hard-coded credentials

EUVDB-ID: #VU77353

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-33920

CWE-ID: CWE-798 - Use of Hard-coded Credentials

Exploit availability: No

Description

The vulnerability allows a local attacker to gain full access to vulnerable system.

The vulnerability exists due to presence of hard-coded credentials in application code. An attacker with physical access can access the affected system using the hard-coded credentials.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CP-8031 MASTER MODULE: before CPCI85 V05

CP-8050 MASTER MODULE: before CPCI85 V05

CPE2.3 External links

https://cert-portal.siemens.com/productcert/pdf/ssa-731916.pdf


Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Exposed dangerous method or function

EUVDB-ID: #VU77355

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-33921

CWE-ID: CWE-749 - Exposed Dangerous Method or Function

Exploit availability: No

Description

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

The vulnerability exists due to the affected devices contain an exposed UART console login interface. An attacker with physical access can brute-force or crack the root password to login to the device.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CP-8031 MASTER MODULE: before CPCI85 V05

CP-8050 MASTER MODULE: before CPCI85 V05

CPE2.3 External links

https://cert-portal.siemens.com/productcert/pdf/ssa-731916.pdf


Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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