---
cve: "CVE-2020-7693"
severity: "MEDIUM"
cvss: 5.3
epss: "4.4%"
vendor: "Generic Security"
kev: false
exploited: false
published: "2020-07-09 14:15:11"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T23:55:09+02:00"
---

# CVE-2020-7693

> 5.3 MEDIUM

## Beschreibung

Incorrect handling of Upgrade header with the value websocket leads in crashing of containers hosting sockjs apps. This affects the package sockjs before 0.3.20.

## CVSS-Vektor

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

| 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 | Gering | warn |

## Patch verfügbar (OSV)

- dd7e642cd69ee74385825816d30642c43e051d16 (Commit)

## Referenzen

- <https://github.com/andsnw/sockjs-dos-py>
- <https://github.com/sockjs/sockjs-node/commit/dd7e642cd69ee74385825816d30642c43e051d16>
- <https://github.com/sockjs/sockjs-node/issues/252>
- <https://github.com/sockjs/sockjs-node/pull/265>
- <https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-575448>
- <https://snyk.io/vuln/SNYK-JS-SOCKJS-575261>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2020-7693) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_