CVE-2021-27432

Published: May 20, 2021Modified: Nov 21, 2024

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

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.

Affected (2)

Products: Opcfoundation: Ua .net Legacy, Ua .net Standard Stack

Opcfoundation

2 products

Ua .net Legacy

Ua .net Standard Stack

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Opcfoundation Ua .net Legacy	All versions
Opcfoundation Ua .net Standard Stack	Before 1.4.365.48

Related CWEs

CWE-674

Uncontrolled Recursion

The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.

References (2)

https://us-cert.cisa.gov/ics/advisories/icsa-21-133-03

Source: ics-cert@hq.dhs.gov

Third Party AdvisoryUS Government Resource

https://us-cert.cisa.gov/ics/advisories/icsa-21-133-03

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryUS Government Resource

Timeline

No history available yet.