CVE Vulnerability

CVE-2021-27432

OPC Foundation UA .NET Standard versions prior to 1.4.365.48 and OPC UA .NET Legacy 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 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://us-cert.cisa.gov/ics/advisories/icsa-21-133-03 Third Party Advisory US Government Resource
Configurations

Configuration 1

cpe:2.3:a:opcfoundation:ua_.net_standard_stack:*:*:*:*:*:*:*:*
cpe:2.3:a:opcfoundation:ua-.net-legacy:-:*:*:*:*:*:*:*
Information

Published : 2021-05-20 04:15

Updated : 2021-06-01 04:39

NVD link : CVE-2021-27432

Mitre link : CVE-2021-27432

Products Affected
No products.
CWE
CWE-674

Uncontrolled Recursion