SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-38512

HTTP/1 request smuggling (aka HRS) can occur, potentially leading to credential disclosure.

HIGH 7.5EPSS 1.81%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
1.81% probability · 77th percentile
CISA KEV
Not listed
Weakness
CWE-444
Affected
actix/actix-http · fedoraproject/fedora
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.