CVE-2021-30454 describes a critical vulnerability in the Rust outer_cgi crate prior to version 0.2.1, where an uninitialized memory buffer is passed to a user-provided Read instance by KeyValueReader. This flaw carries a CVSS score of 9.8 (Critical), indicating it can be exploited remotely with low complexity, requiring no user interaction or privileges, and potentially leading to complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.2.1CPE matchmatch criteria | cpe:2.3:a:outer_cgi_project:outer_cgi:*:*:*:*:*:rust:*:* |
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.