CVE-2021-38512

HIGH

actix-http <3.0.0-beta.9 - Info Disclosure

Title source: llm

Description

An issue was discovered in the actix-http crate before 3.0.0-beta.9 for Rust. HTTP/1 request smuggling (aka HRS) can occur, potentially leading to credential disclosure.

References (3)

[Third Party Advisory] https://rustsec.org/advisories/RUSTSEC-2021-0081.html

[Exploit, Third Party Advisory] https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/actix-http/RUSTSEC-2021-0081.md

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/67URRW4K47SR6LNQB4YALPLGGQMQK7HO/

Scores

CVSS v3 7.5

EPSS 0.0042

EPSS Percentile 62.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE

CWE-444

Status published

Products (4)

actix/actix-http 3.0.0 (9 CPE variants)

actix/actix-http < 3.0.0

crates.io/actix-http 0 - 2.2.1crates.io

fedoraproject/fedora 34

Published Aug 10, 2021

Tracked Since Feb 18, 2026