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[email protected]CVE-2023-33920

HistoryJun 13, 2023 - 9:15 a.m.

CVE-2023-33920

2023-06-1309:15:18

CWE-798

[email protected]

web.nvd.nist.gov

vulnerability

cp-8031

cp-8050

master module

cve-2023-33920

nvd

exploit

uart console login

hard-coded password

physical access

6.8 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

6.7 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

10.0%

JSON

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 configurations

NVD

Node

siemenscpci85_firmwareRange<v05

AND

siemenscp-8050_master_moduleMatch-

Node

siemenscpci85_firmwareRange<v05

AND

siemenscp-8031_master_moduleMatch-

CPENameOperatorVersion
siemens:cpci85_firmwaresiemens cpci85 firmwareltv05

CPE	Name	Operator	Version
siemens:cpci85_firmware	siemens cpci85 firmware	lt	v05

CNA Affected

[
  {
    "vendor": "Siemens",
    "product": "CP-8031 MASTER MODULE",
    "versions": [
      {
        "version": "All versions < CPCI85 V05",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "CP-8050 MASTER MODULE",
    "versions": [
      {
        "version": "All versions < CPCI85 V05",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  }
]