---
cve: "CVE-2020-8297"
severity: "MEDIUM"
cvss: 4.3
epss: "6.9%"
vendor: "Generic Security"
kev: false
exploited: false
published: "2021-02-23 19:15:13"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T11:34:13+02:00"
---

# CVE-2020-8297

> 4.3 MEDIUM

## Beschreibung

Nextcloud Deck before 1.0.2 suffers from an insecure direct object reference (IDOR) vulnerability that permits users with a duplicate user identifier to access deck data of a previous deleted user.

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- 6a3655a45d1b8c9c05e0613e5f95d76ddc5c2135 (Commit)

## Referenzen

- <https://github.com/nextcloud/deck/pull/1976>
- <https://hackerone.com/reports/882258>
- <https://nextcloud.com/security/advisory/?id=NC-SA-2021-007>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2020-8297) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_