Home/CVE/A missing check in Nextcloud Server 17.0.0 allowed an attacker to set up a new second factor when trying to login.
CVE

CVE-2019-15617

A missing check in Nextcloud Server 17.0.0 allowed an attacker to set up a new second factor when trying to login.

A missing check in Nextcloud Server 17.0.0 allowed an attacker to set up a new second factor when trying to login.

MEDIUM · CVSS 5.4 EPSS 0.00107
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-287Improper Authentication
▤

Affected Products & Versions

1
nextcloud server< 17.0.1
▣

Scoring & Timeline

5.4
MEDIUM · 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 NVD04 Feb 2020 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://hackerone.com/reports/722748Permissions Required
https://nextcloud.com/security/advisory/?id=NC-SA-2020-006Vendor Advisory
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