CVE-2019-20372

Severity
5.3MEDIUM
EPSS
69.7%
top 1.33%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJan 9
Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages4 packages

NVDf5/nginx< 1.17.7
Debiannginx< 1.16.1-3+3
NVDapple/xcode< 13.0
NVDopensuse/leap15.1

Also affects: Ubuntu Linux 14.04

Patches

🔴Vulnerability Details

3
GHSA
GHSA-c9vh-3f9g-f2xf: NGINX before 12022-05-24
CVEList
CVE-2019-20372: NGINX before 12020-01-09
OSV
CVE-2019-20372: NGINX before 12020-01-09

📋Vendor Advisories

6
Apple
CVE-2019-20372: Xcode 132021-09-20
Ubuntu
nginx vulnerability2020-01-15
Microsoft
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 bei2020-01-14
Ubuntu
nginx vulnerability2020-01-13
Red Hat
nginx: HTTP request smuggling in configurations with URL redirect used as error_page2020-01-09

📄Research Papers

1
CTF
Smug-Dino / README2023

💬Community

3
Bugzilla
CVE-2019-20372 nginx: HTTP request smuggling via error pages in http/ngx_http_special_response.c [epel-all]2020-01-13
Bugzilla
CVE-2019-20372 nginx: HTTP request smuggling in configurations with URL redirect used as error_page2020-01-13
Bugzilla
CVE-2019-20372 nginx: HTTP request smuggling via error pages in http/ngx_http_special_response.c [fedora-all]2020-01-13