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CVE
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CVE-2021-22895Date: (C)2021-06-12   (M)2023-12-22


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 Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.9CVSS Score : 4.3
Exploit Score: 2.2Exploit Score: 8.6
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: HIGHAccess Complexity: MEDIUM
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: NONE
Scope: UNCHANGEDIntegrity: PARTIAL
Confidentiality: NONEAvailability: NONE
Integrity: HIGH 
Availability: NONE 
  
Reference:
DSA-4974
https://github.com/nextcloud/desktop/pull/2926
https://github.com/nextcloud/desktop/releases/tag/v3.1.3
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qpgp-vf4p-wcw5
https://hackerone.com/reports/903424

CWE    1
CWE-295
OVAL    2
oval:org.secpod.oval:def:605634
oval:org.secpod.oval:def:75873

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