AUGUST 4, 2026
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Case File

CVE-2020-27221

CRITICAL · CVSS 9.8 EPSS 1.53%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-01-21 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2020-27221
Severity
CRITICAL
CVSS
9.8
EPSS
1.53%

Original NVD Description

In Eclipse OpenJ9 up to and including version 0.23, there is potential for a stack-based buffer overflow when the virtual machine or JNI natives are converting from UTF-8 characters to platform encoding.