CVE-2020-27221 is a critical stack-based buffer overflow vulnerability affecting Eclipse OpenJ9 versions up to and including 0.23, occurring during UTF-8 to platform encoding conversion within the virtual machine or JNI natives. With a CVSS score of 9.8, it is easily exploitable over the network without user interaction, potentially leading to complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.23.0CPE matchmatch criteria | cpe:2.3:a:eclipse:openj9:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.