Information Disclosure Vulnerability in Nextcloud Android App
CVE-2021-22905

6.5MEDIUM

Key Information:

Vendor

Nextcloud
Status
Nextcloud Android App (com.nextcloud.client)
Vendor
CVE Published:
11 June 2021

What is CVE-2021-22905?

The Nextcloud Android App versions prior to 3.16.0 are susceptible to information disclosure. This vulnerability arises because the app performs searches for sharees on the external lookup server by default, rather than solely relying on the local Nextcloud server unless a user explicitly selects a global search. This design oversight can inadvertently expose sensitive data to unauthorized access, raising significant concerns regarding user privacy and data integrity.

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Affected Version(s)

Nextcloud Android App (com.nextcloud.client) Fixed in 3.16.0

References

https://github.com/nextcloud/security-advisories/security...
x_refsource_MISC
https://hackerone.com/reports/1167916
x_refsource_MISC

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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