CVE-2021-22895
Published: 11 June 2021
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
nextcloud-desktop Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| focal |
Needs triage
|
|
| groovy |
Ignored
(end of life)
|
|
| hirsute |
Ignored
(end of life)
|
|
| impish |
Ignored
(end of life)
|
|
| jammy |
Needs triage
|
|
| kinetic |
Ignored
(end of life, was needs-triage)
|
|
| lunar |
Ignored
(end of life, was needs-triage)
|
|
| mantic |
Needs triage
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(end of standard support)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.9 |
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | High |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
References
- https://github.com/nextcloud/desktop/pull/2926
- https://github.com/nextcloud/desktop/commit/b1ddd0e491b2af0ed040e658d8bcde2a7a61c9fc (stable-3.1)
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qpgp-vf4p-wcw5
- https://github.com/nextcloud/desktop/releases/tag/v3.1.3
- https://hackerone.com/reports/903424
- https://www.cve.org/CVERecord?id=CVE-2021-22895
- NVD
- Launchpad
- Debian