CVE-2020-23921 is a heap-based buffer over-read vulnerability found in fast_ber through version 0.4, specifically within the yy::yylex() function in asn_compiler.hpp. This vulnerability carries a CVSS score of 7.1 (HIGH), indicating a local attack vector with low complexity, requiring user interaction, and potentially leading to high confidentiality and availability impacts. 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 |
|---|---|---|---|
<= 0.4CPE matchmatch criteria | cpe:2.3:a:fast_ber_project:fast_ber:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/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.