PT-2022-19887 · Unknown · Opc Ua .Net Standard Stack

Published 2022-06-16 · Updated 2022-06-27 · CVE-2022-29865

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions OPC UA .NET Standard Stack (affected versions not specified)

Description The issue allows a remote attacker to bypass the application authentication check via crafted fake credentials. This enables a malicious client or server to bypass the application authentication mechanism and allow a connection to an untrusted peer.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2022-29865

GHSA-FVXF-R9FW-49PC

ZDI-22-856

Affected Products

Opc Ua .Net Standard Stack

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2022-29865 · Security Note
• https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2022-29865.pdf · Vendor Advisory
• https://opcfoundation.org/security · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-22-856 · Security Note
• https://osv.dev/vulnerability/CVE-2022-29865 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-fvxf-r9fw-49pc · Vendor Advisory
• https://github.com/OPCFoundation/UA-.NETStandard · Note
• https://github.com/OPCFoundation/UA-.NETStandard/security/advisories/GHSA-fvxf-r9fw-49pc · Note
• https://t.me/cibsecurity/44646 · Telegram Post