CVE-2021-22895

Published on: 06/11/2021 12:00:00 AM UTC

Last Modified on: 12/02/2021 09:19:00 PM UTC

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

Certain versions of Debian Linux from Debian contain the following vulnerability:

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.

  • CVE-2021-22895 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.

CVSS3 Score: 5.9 - MEDIUM

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK HIGH NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED NONE HIGH NONE

CVSS2 Score: 4.3 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK MEDIUM NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
NONE PARTIAL NONE

CVE References

Description Tags Link
Release Release 3.1.3 · nextcloud/desktop · GitHub github.com
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URL Logo MISC github.com/nextcloud/desktop/releases/tag/v3.1.3
Debian -- Security Information -- DSA-4974-1 nextcloud-desktop www.debian.org
Depreciated Link
text/html
URL Logo DEBIAN DSA-4974
HackerOne hackerone.com
text/html
URL Logo MISC hackerone.com/reports/903424
SSL certificate was not validated in Provider Registration Flow · Advisory · nextcloud/security-advisories · GitHub github.com
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URL Logo MISC github.com/nextcloud/security-advisories/security/advisories/GHSA-qpgp-vf4p-wcw5
[stable-3.1] Validate the providers ssl certificate by backportbot-nextcloud · Pull Request #2926 · nextcloud/desktop · GitHub github.com
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URL Logo MISC github.com/nextcloud/desktop/pull/2926

Related QID Numbers

  • 178799 Debian Security Update for nextcloud-desktop (DSA 4974-1)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
DebianDebian Linux10.0AllAllAll
Operating
System
DebianDebian Linux11.0AllAllAll
ApplicationNextcloudDesktopAllAllAllAll
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*:
  • cpe:2.3:a:nextcloud:desktop:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-22895 : Nextcloud Desktop Client before 3.3.1 is vulnerable to improper certificate validation due to lack… twitter.com/i/web/status/1… 2021-06-11 16:13:12
Reddit Logo Icon /r/netcve CVE-2021-22895 2021-06-11 16:41:54
© CVE.report 2022 Twitter Nitter Twitter Viewer |

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