---
cve: "CVE-2019-3809"
severity: "MEDIUM"
cvss: 6.5
epss: "86%"
vendor: "[UNKNOWN]"
kev: false
exploited: false
published: "2019-03-25 18:29:00"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-15T23:31:47+02:00"
---

# CVE-2019-3809

> 6.5 MEDIUM

## Beschreibung

A flaw was found in Moodle versions 3.1 to 3.1.15 and earlier unsupported versions. The mybackpack functionality allowed setting the URL of badges, when it should be restricted to the Mozilla Open Badges backpack URL. This resulted in the possibility of blind SSRF via requests made by the page.

## CVSS-Vektor

```
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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 | Gering | warn |
| A Verfügbarkeit | Gering | warn |

## Referenzen

- <https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3809>
- <https://moodle.org/mod/forum/discuss.php?d=381229#p1536766>
- <http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-64222>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2019-3809) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_