VULNERABILITY INTELLIGENCE

CVE-2021-22895

CVSS score5.9 MEDIUM

EPSS probability1.04%

CISA KEVNot currently listed

Published2021-06-11

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Description

Nextcloud Desktop Client before 3.3.1 is vulnerable to improper certificate validation due to lack of SSL certificate verification when using the "Register with a Provider" flow.

Weakness classification

support@hackerone.com: CWE-295
nvd@nist.gov: CWE-295

Primary references

support@hackerone.com — Patch, Third Party Advisory
support@hackerone.com — Release Notes, Third Party Advisory
support@hackerone.com — Third Party Advisory
support@hackerone.com — Exploit, Issue Tracking, Third Party Advisory
support@hackerone.com — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory