PT-2021-11377 · Unknown · Opc Ua Tunneller

Published 2021-01-26 · Updated 2021-02-03 · CVE-2020-27297

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions: OPC UA Tunneller versions prior to 6.3.0.8233

Description: The issue is related to a heap-based buffer overflow, which may allow an attacker to manipulate memory with controlled values and remotely execute code.

Recommendations: For versions prior to 6.3.0.8233, update to version 6.3.0.8233 or later to resolve the issue.

Fix

Heap Based Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-122

CWE-787

Related Identifiers

CVE-2020-27297

Affected Products

Opc Ua Tunneller

References · 4

• https://osv.dev/vulnerability/CVE-2020-27297 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-27297 · Security Note
• https://us-cert.cisa.gov/ics/advisories/icsa-21-021-03 · Note
• https://t.me/cibsecurity/22671 · Telegram Post