CVE-2023-33920

Description

A vulnerability has been identified in CP-8031 MASTER MODULE (All versions < CPCI85 V05), CP-8050 MASTER MODULE (All versions < CPCI85 V05). The affected devices contain the hash of the root password in a hard-coded form, which could be exploited for UART console login to the device. An attacker with direct physical access could exploit this vulnerability.

References

Link	Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-731916.pdf	patch vendor advisory
http://seclists.org/fulldisclosure/2023/Jul/14
http://packetstormsecurity.com/files/173370/Siemens-A8000-CP-8050-CP-8031-Code-Execution-Command-Injection.html

Frequently Asked Questions

What is the severity of CVE-2023-33920?: CVE-2023-33920 has been scored as a medium severity vulnerability.
How to fix CVE-2023-33920?: To fix CVE-2023-33920, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-33920 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-33920 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-33920?: CVE-2023-33920 affects Siemens CP-8031 MASTER MODULE, Siemens CP-8050 MASTER MODULE.

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Description

Category

CWE-798 – Use of Hard-coded Credentials

References

Frequently Asked Questions