CVE-2023-33920
MEDIUMCP-8031/8050 MASTER MODULE <CPCI85 V05 - Info Disclosure
Title source: llmDescription
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 (3)
Core 3
Core References
Patch, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-731916.pdf
Mailing List
http://seclists.org/fulldisclosure/2023/Jul/14
Exploit, Third Party Advisory
http://packetstormsecurity.com/files/173370/Siemens-A8000-CP-8050-CP-8031-Code-Execution-Command-Injection.html
Scores
CVSS v3
6.8
EPSS
0.0013
EPSS Percentile
31.9%
Attack Vector
PHYSICAL
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-798
Status
published
Products (1)
siemens/cpci85_firmware
< v05
Published
Jun 13, 2023
Tracked Since
Feb 18, 2026