---
cve: "CVE-2019-20925"
severity: "HIGH"
cvss: 7.5
epss: "1.7%"
vendor: "MongoDB Inc."
kev: false
exploited: false
published: "2020-11-24 11:15:10"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-20T17:21:58+02:00"
---

# CVE-2019-20925

> 7.5 HIGH

## Beschreibung

An unauthenticated client can trigger denial of service by issuing specially crafted wire protocol messages, which cause the message decompressor to incorrectly allocate memory. This issue affects MongoDB Server v4.2 versions prior to 4.2.1; MongoDB Server v4.0 versions prior to 4.0.13; MongoDB Server v3.6 versions prior to 3.6.15 and MongoDB Server v3.4 versions prior to 3.4.24.

## CVSS-Vektor

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

| 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 | Keine | good |
| I Integrität | Keine | good |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- 865b4f6a96d0f5425e39a18337105f33e8db504d (Commit)
- 18934fb5c814e87895c5e38ae1515dd6cb4c00f7 (Commit)

## Referenzen

- <https://jira.mongodb.org/browse/SERVER-43751>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2019-20925) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_