PT-2021-11379 · Unknown · Opc Ua Tunneller

Published 2021-01-26 · Updated 2021-02-03 · CVE-2020-27299

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

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

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

Description: The affected product is vulnerable to an out-of-bounds read, which may allow an attacker to obtain and disclose sensitive data information or cause the device to crash.

Recommendations: For versions prior to 6.3.0.8233, update to version 6.3.0.8233 or later to resolve the issue. As a temporary workaround, consider restricting access to sensitive data and implementing additional security measures to minimize the risk of exploitation.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2020-27299

Affected Products

Opc Ua Tunneller

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2020-27299 · Security Note
• https://osv.dev/vulnerability/CVE-2020-27299 · Vendor Advisory
• https://t.me/cibsecurity/22668 · Telegram Post
• https://t.me/cvenotify/8980 · Telegram Post
• https://us-cert.cisa.gov/ics/advisories/icsa-21-021-03 · Note