CVE Vulnerability

CVE-2020-5802

An attacker-controlled memory allocation size can be passed to the C++ new operator in RnaDaSvr.dll by sending a specially crafted ConfigureItems message to TCP port 4241. This will cause an unhandled exception, resulting in termination of RSLinxNG.exe. Observed in FactoryTalk 6.11. All versions of FactoryTalk Linx are affected.

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://www.tenable.com/security/research/tra-2020-71 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:rockwellautomation:factorytalk_linx:*:*:*:*:*:*:*:*
Information

Published : 2020-12-29 04:15

Updated : 2022-07-12 05:42

NVD link : CVE-2020-5802

Mitre link : CVE-2020-5802

Products Affected
No products.
CWE
CWE-770