Medium severity · published Jun 11, 2021
CVE-2021-22905
Nextcloud Android App (com.nextcloud.client) before v3.16.0 is vulnerable to information disclosure due to searches for sharees being performed by default on the lookup server…
6.5
CVSS
1.4%
EPSS
No
On KEV
Description
Nextcloud Android App (com.nextcloud.client) before v3.16.0 is vulnerable to information disclosure due to searches for sharees being performed by default on the lookup server instead of only using the local Nextcloud server unless a global search has been explicitly chosen by the user.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NE
Nextcloud · Nextcloud
before 3.16.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22905
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22905
Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-22v9-q3r6-x7cj
Exploit
https://hackerone.com/reports/1167916
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