CVE-2021-37172 Vulnerability Details

  /     /     /  

CVE-2021-37172 Metadata Quick Info

CVE Published: 10/08/2021 | CVE Updated: 04/08/2024 | CVE Year: 2021
Source: siemens | Vendor: Siemens | Product: SIMATIC S7-1200 CPU family (incl. SIPLUS variants)
Status : PUBLISHED

---

CVE-2021-37172 Description

A vulnerability has been identified in SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (V4.5.0). Affected devices fail to authenticate against configured passwords when provisioned using TIA Portal V13. This could allow an attacker using TIA Portal V13 or later versions to bypass authentication and download arbitrary programs to the PLC. The vulnerability does not occur when TIA Portal V13 SP1 or any later version was used to provision the device.

Metrics

CVSS Version: 3.1 | Base Score: n/a
Vector: n/a

l➤ Exploitability Metrics:
    Attack Vector (AV)*
    Attack Complexity (AC)*
    Privileges Required (PR)*
    User Interaction (UI)*
    Scope (S)*

l➤ Impact Metrics:
    Confidentiality Impact (C)*
    Integrity Impact (I)*
    Availability Impact (A)*

Weakness Enumeration (CWE)

CWE-ID: CWE-287
CWE Name: CWE-287: Improper Authentication
Source: Siemens

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).