Home/CVE/Improper access control in Nextcloud Deck 0.8.0 allowed an attacker to reshare boards shared with them with more permiss
CVE

CVE-2020-8182

Improper access control in Nextcloud Deck 0.8.0 allowed an attacker to reshare boards shared with them with more permiss

Improper access control in Nextcloud Deck 0.8.0 allowed an attacker to reshare boards shared with them with more permissions than they had themselves.

HIGH · CVSS 8 EPSS 0.0021
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  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-281Improper Preservation of Permissions
CWE-284Improper Access Control
▤

Affected Products & Versions

1
nextcloud deckall versions
⚠

Public Exploits & PoCs

1
pochackerone.com · 827816hackerone.com
▣

Scoring & Timeline

8
HIGH · CVSS v3.1 · support@hackerone.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Oct 2020 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://nextcloud.com/security/advisory/?id=NC-SA-2020-025Vendor Advisory
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