CVE-2021-22895 — Improper Certificate Validation in Desktop

CWE-295 — Improper Certificate Validation4 documents4 sources
Severity
5.9MEDIUMNVD
EPSS
0.4%
top 41.54%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Nextcloud DesktopDebian Linux
Timeline
PublishedJun 11

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.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:NExploitability: 2.2 | Impact: 3.6

Affected Packages1 packages

▶NVDnextcloud/desktop< 3.1.3

Also affects: Debian Linux 10.0, 11.0

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
OSV
CVE-2021-22895: Nextcloud Desktop Client before 3↗2021-06-11
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CVEList
CVE-2021-22895: Nextcloud Desktop Client before 3↗2021-06-11
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📋Vendor Advisories

1
Debian
CVE-2021-22895: nextcloud-desktop - Nextcloud Desktop Client before 3.3.1 is vulnerable to improper certificate vali...↗2021
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CVE-2021-22895 — Improper Certificate Validation | cvebase