CVE-2019-20444 — HTTP Request Smuggling in Netty
Severity
9.1CRITICALNVD
OSV7.5
EPSS
14.9%
top 5.46%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJan 29
Latest updateOct 27
Description
HttpObjectDecoder.java in Netty before 4.1.44 allows an HTTP header that lacks a colon, which might be interpreted as a separate header with an incorrect syntax, or might be interpreted as an "invalid fold."
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NExploitability: 3.9 | Impact: 5.2
Affected Packages5 packages
Also affects: Debian Linux 10.0, 8.0, 9.0, Fedora 33, Ubuntu Linux 18.04