CVE Vulnerability

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.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

5.9 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/nextcloud/desktop/releases/tag/v3.1.3 Release Notes Third Party Advisory
https://hackerone.com/reports/903424 Exploit Issue Tracking
https://github.com/nextcloud/desktop/pull/2926 Patch Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qpgp-vf4p-wcw5 Third Party Advisory
https://www.debian.org/security/2021/dsa-4974 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:nextcloud:desktop:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Information

Published : 2021-06-11 04:15

Updated : 2021-12-02 09:19

NVD link : CVE-2021-22895

Mitre link : CVE-2021-22895

Products Affected
No products.
CWE
CWE-295

Improper Certificate Validation