CVE-2020-27221

moderate-risk

Published 2021-01-21

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.

Do I need to act?

0.73% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (1)

Openj9

Affected Vendors

Eclipse

References (2)

Issue Tracking https://bugs.eclipse.org/bugs/show_bug.cgi?id=569763

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moderate-risk

Severity 32/34 · Critical

Exploitability 2/34 · Minimal

Exposure 5/34 · Minimal