CVE Vulnerability

CVE-2020-25242

A vulnerability has been identified in SIMATIC NET CP 343-1 Advanced (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Lean (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Standard (incl. SIPLUS variants) (All versions). Specially crafted packets sent to TCP port 102 could cause a Denial-of-Service condition on the affected devices. A cold restart might be necessary in order to recover.

7.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-676775.pdf Vendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-131-07 Third Party Advisory US Government Resource
Configurations

Configuration 1
Information

Published : 2021-05-12 02:15

Updated : 2021-12-03 07:52

NVD link : CVE-2020-25242

Mitre link : CVE-2020-25242

Products Affected
No products.
CWE
CWE-400