CVE-2020-35863 is a critical HTTP request smuggling vulnerability affecting the hyper crate for Rust, specifically versions prior to 0.12.34. This flaw allows for remote code execution in specific scenarios where an HTTP server is running on the loopback interface. With a CVSS score of 9.8 (Critical), it presents a high-impact threat, enabling full compromise of confidentiality, integrity, and availability without user interaction. While there is no evidence of active exploitation or publicly available exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion, indicating awareness and potential interest among researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.12.34CPE matchmatch criteria | cpe:2.3:a:hyper:hyper:*:*:*:*:*: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.