VulnerabilityModified
CVE-2021-22895
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.
MEDIUM 5.9EPSS 1.03%
Does this matter?
Lower severity and a low EPSS score (1.03%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 1.03% probability · 62th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-295
- Affected
- nextcloud/desktop · debian/debian linux
- Source
- support@hackerone.com
References
- https://github.com/nextcloud/desktop/pull/2926Patch, Third Party Advisory
- https://github.com/nextcloud/desktop/releases/tag/v3.1.3Release Notes, Third Party Advisory
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qpgp-vf4p-wcw5Third Party Advisory
- https://hackerone.com/reports/903424Exploit, Issue Tracking, Third Party Advisory
- https://www.debian.org/security/2021/dsa-4974Third Party Advisory
- https://github.com/nextcloud/desktop/pull/2926Patch, Third Party Advisory
- https://github.com/nextcloud/desktop/releases/tag/v3.1.3Release Notes, Third Party Advisory
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qpgp-vf4p-wcw5Third Party Advisory
- https://hackerone.com/reports/903424Exploit, Issue Tracking, Third Party Advisory
- https://www.debian.org/security/2021/dsa-4974Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.