AUGUST 4, 2026
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Case File

CVE-2020-27297

CRITICAL · CVSS 9.8 EPSS 2.41%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-01-26 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It may be remotely exploitable.

CVE
CVE-2020-27297
Severity
CRITICAL
CVSS
9.8
EPSS
2.41%

Original NVD Description

The affected product is vulnerable to a heap-based buffer overflow, which may allow an attacker to manipulate memory with controlled values and remotely execute code on the OPC UA Tunneller (versions prior to 6.3.0.8233).

Related CVEs

Other vulnerabilities affecting the same vendor(s)