CVE-2020-11077 is a request smuggling vulnerability affecting Puma (RubyGem) versions prior to 4.3.5 and 3.12.6, as well as various Debian, Fedora, and openSUSE distributions. An attacker could manipulate HTTP pipelining to cause a proxy to misdirect a response intended for one client to another, potentially exposing sensitive information or enabling further attacks. With a CVSS score of 7.5 (High), this vulnerability has a network attack vector and low attack complexity, but its impact is limited to integrity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 3.0.0, < 3.12.6CPE matchmatch criteria | cpe:2.3:a:puma:puma:*:*:*:*:*:ruby:*:* | ||
>= 4.0.0, < 4.3.5CPE matchmatch criteria | cpe:2.3:a:puma:puma:*:*:*:*:*:ruby:*:* | ||
33CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | ||
15.1CPE matchmatch criteria | cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/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.