CVE-2023-49251

Published Jan 9, 2024

Last updated 10 months ago

CVSS critical 9.8

Overview

Description: A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7). The "intermediate installation" system state of the affected application allows an attacker to add their own login credentials to the device. This allows an attacker to remotely login as root and take control of the device even after the affected device is fully set up.
Source: productcert@siemens.com
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 9.8
Impact score: 5.9
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: CRITICAL

Weaknesses

productcert@siemens.com: CWE-639

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:siemens:simatic_cn_4100:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "C8B14973-F641-462C-8DC5-810D7956A123",
            "versionEndExcluding": "2.7"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References