CVE-2021-46523 describes a heap buffer overflow vulnerability in Cesanta MJS v2.20.0, specifically within the to_json_or_debug function in mjs/src/mjs_json.c. This vulnerability carries a high CVSS score of 7.8, indicating a significant impact with high confidentiality, integrity, and availability risks, though it requires local access and user interaction to exploit. Despite its severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.20.0CPE matchmatch criteria | cpe:2.3:a:cesanta:mjs:2.20.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 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.
Remediation records are not available for this CVE.