CVE-2020-23321 describes a critical heap-buffer-overflow vulnerability (CWE-787) in JerryScript 2.2.0, specifically located in the lit_read_code_unit_from_utf8 function. This flaw carries a CVSSv3.1 score of 9.8, indicating a severe risk with network-based attacks requiring no 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 surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.2.0CPE matchmatch criteria | cpe:2.3:a:jerryscript:jerryscript:2.2.0:*:*:*:*:*:*:* |
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.