Vulnerability in Actix Actix-Http
CVE-2021-38512
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.
Vulnerability class: HTTP Request Smuggling
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.018 (77.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Actix Actix-Http — versions 3.0.0
- Fedoraproject Fedora — versions 34
Weakness classification (CWE)
References
- rustsec.org/advisories/RUSTSEC-2021-0081.html (Third Party Advisory)
- raw.githubusercontent.com/rustsec/advisory-db/main/crates/actix-http/RUSTSEC-20… (Exploit, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2021-38512?
- CVE-2021-38512 is a high-severity vulnerability in Actix Actix-Http, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 7.5/10. Published 2021-08-10.
- How severe is CVE-2021-38512?
- High severity. CVSS v3 base score is 7.5 out of 10.