Medium severity5.9NVD Advisory· Published Jun 11, 2021· Updated Jun 17, 2026

CVE-2021-22895

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Nextcloud/desktop2 versions
cpe:2.3:a:nextcloud:desktop:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:nextcloud:desktop:*:*:*:*:*:*:*:*range: <3.1.3
- (no CPE)range: <3.3.1
Debian/linux2 versions
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Nextcloud/Desktop Clientdescription
Nextcloud/Nextcloud Desktop Clientllm-fuzzy
Range: <3.3.1

Patches

Vulnerability mechanics

References

github.com/nextcloud/desktop/pull/2926nvdPatchThird Party Advisory
hackerone.com/reports/903424nvdExploitIssue TrackingThird Party Advisory
github.com/nextcloud/desktop/releases/tag/v3.1.3nvdRelease NotesThird Party Advisory
github.com/nextcloud/security-advisories/security/advisories/GHSA-qpgp-vf4p-wcw5nvdThird Party Advisory
www.debian.org/security/2021/dsa-4974nvdThird Party Advisory

News mentions

No linked articles in our index yet.

cvss	0.384
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000