CVE-2019-20372
5.3
MEDIUM
CVSS 3.1
EPSS 69.6%
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.
How to fix CVE-2019-20372
To remediate CVE-2019-20372, upgrade the affected package to a fixed version below.
- Alpine/nginx—upgrade to 1.16.1-r2 or later
- Debian/nginx—upgrade to 1.16.1-3 or later
Is CVE-2019-20372 being exploited?
Likely — EPSS is 69.6%, placing CVE-2019-20372 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (2)
- from 0, < 1.16.1-r2
- from 0, < 1.16.1-3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |