CVE Vulnerability

CVE-2021-31340

A vulnerability has been identified in SIMATIC RF166C (All versions > V1.1 and V1.1 and V1.1 and V1.1 and V1.1 and V1.1 and < V1.3.2), SIMATIC RF360R (All versions V3.0 V3.0 V3.0 V3.0 V3.0 V3.0 V3.0 V3.0 V3.0 V3.0 V3.0 V3.0 V3.0 V3.0 V3.0 V3.0 V3.0 V3.0 < V4.0). Affected devices do not properly handle large numbers of incoming connections. An attacker may leverage this to cause a Denial-of-Service situation.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

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-787292.pdf Mitigation Patch
Configurations

Configuration 1
Information

Published : 2021-06-08 08:15

Updated : 2022-10-06 05:28

NVD link : CVE-2021-31340

Mitre link : CVE-2021-31340

Products Affected

Siemens

Simatic Rf188c Firmware

CWE
CWE-400