CVE-2019-20372

MEDIUM LAB

F5 Nginx < 1.17.7 - HTTP Request Smuggling

Title source: rule

Description

NGINX before 1.17.7, with certain error_page configurations, allows HTTP request smuggling, as demonstrated by the ability of an attacker to read unauthorized web pages in environments where NGINX is being fronted by a load balancer.

Exploits (3)

nomisec WORKING POC 5 stars
by 0xleft · poc
https://github.com/0xleft/CVE-2019-20372
nomisec WORKING POC 1 stars
by moften · poc
https://github.com/moften/CVE-2019-20372
nomisec WORKING POC
by vuongnv3389-sec · poc
https://github.com/vuongnv3389-sec/CVE-2019-20372

Scores

CVSS v3 5.3
EPSS 0.7083
EPSS Percentile 98.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Details

CWE
CWE-444
Status published
Products (5)
apple/xcode < 13.0
canonical/ubuntu_linux 14.04
f5/nginx < 1.17.7
netapp/cloud_backup
opensuse/leap 15.1
Published Jan 09, 2020
Tracked Since Feb 18, 2026