CVE Vulnerability

CVE-2021-27434

Products with Unified Automation .NET based OPC UA Client/Server SDK Bundle: Versions V3.0.7 and prior (.NET 4.5, 4.0, and 3.5 Framework versions only) are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

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 HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-133-04 Third Party Advisory US Government Resource
Configurations

Configuration 1
Information

Published : 2021-05-20 02:15

Updated : 2022-10-07 07:16

NVD link : CVE-2021-27434

Mitre link : CVE-2021-27434

Products Affected
No products.
CWE
CWE-674

Uncontrolled Recursion