Vulnerability · Published Jun 13, 2023 · Assigned by siemens
CVE-2023-33920
Medium 6.8
In plain English
A medium-severity hard-coded credentials in CP-8031 MASTER MODULE from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Siemens | CP-8031 MASTER MODULE | All versions < CPCI85 V05 |
| Siemens | CP-8050 MASTER MODULE | All versions < CPCI85 V05 |
Weakness: CWE-798 · Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C