CVE-2021-38512 describes an HTTP/1 request smuggling vulnerability (CWE-444) in the actix-http crate for Rust, affecting versions prior to 3.0.0-beta.9, as well as related Fedora packages. This high-severity flaw (CVSS 7.5) can be exploited remotely without authentication or user interaction, potentially leading to credential disclosure. While no public exploit code or active exploitation has been observed, and community discussion is minimal, organizations using affected versions should prioritize patching to mitigate the risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.0.0CPE matchmatch criteria | cpe:2.3:a:actix:actix-http:*:*:*:*:*:rust:*:* | ||
3.0.0CPE matchmatch criteria | cpe:2.3:a:actix:actix-http:3.0.0:-:*:*:*:rust:*:* | ||
3.0.0CPE matchmatch criteria | cpe:2.3:a:actix:actix-http:3.0.0:beta1:*:*:*:rust:*:* | ||
3.0.0CPE matchmatch criteria | cpe:2.3:a:actix:actix-http:3.0.0:beta2:*:*:*:rust:*:* | ||
3.0.0CPE matchmatch criteria | cpe:2.3:a:actix:actix-http:3.0.0:beta3:*:*:*: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:N/A:N
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.