---
cve: "CVE-2019-20372"
severity: "MEDIUM"
cvss: 5.3
epss: "2%"
vendor: "Generic Security"
kev: false
exploited: false
published: "2020-01-09 21:15:12"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-13T08:53:21+02:00"
---

# CVE-2019-20372

> 5.3 MEDIUM

## Beschreibung

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-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Gering | warn |
| I Integrität | Keine | good |
| A Verfügbarkeit | Keine | good |

## Patch verfügbar (OSV)

- e5595b37e3e759300c0de3d93fe6861c907ca621 (Commit)
- c1be55f97211d38b69ac0c2027e6812ab8b1b94e (Commit)

## Referenzen

- <http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00013.html>
- <http://nginx.org/en/CHANGES>
- <http://seclists.org/fulldisclosure/2021/Sep/36>
- <https://bertjwregeer.keybase.pub/2019-12-10%20-%20error_page%20request%20smuggling.pdf>
- <https://duo.com/docs/dng-notes#version-1.5.4-january-2020>
- <https://github.com/kubernetes/ingress-nginx/pull/4859>
- <https://github.com/nginx/nginx/commit/c1be55f97211d38b69ac0c2027e6812ab8b1b94e>
- <https://security.netapp.com/advisory/ntap-20200127-0003/>
- <https://support.apple.com/kb/HT212818>
- <https://usn.ubuntu.com/4235-1/>
- <https://usn.ubuntu.com/4235-2/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2019-20372) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_