VULNERABILITY INTELLIGENCE
CVE-2020-8259
CVSS score8.1 HIGH
EPSS probability0.74%
CISA KEVNot currently listed
Published2020-11-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Description
Insufficient protection of the server-side encryption keys in Nextcloud Server 19.0.1 allowed an attacker to replace the encryption keys.
Weakness classification
- CWE-522: Insufficiently Protected Credentials
Primary references
- support@hackerone.com — Exploit, Issue Tracking, Third Party Advisory
- support@hackerone.com — Broken Link, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Broken Link, Vendor Advisory