CVE-2021-27434

HIGH

7.5

Description

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published5/20/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

microsoft:.net_frameworkunified-automation:.net_based_opc_ua_client\/server_sdk

Weaknesses (CWE)

CWE-200CWE-674

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-133-04(ics-cert@hq.dhs.gov)

https://us-cert.cisa.gov/ics/advisories/icsa-21-133-04(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.