Low severity · published Mar 30, 2023
CVE-2023-28646
App lockout in nextcloud Android app can be bypassed via thirdparty apps
2.4
CVSS
0.2%
EPSS
No
On KEV
Description
Nextcloud android is an android app for interfacing with the nextcloud home server ecosystem. In versions from 3.7.0 and before 3.24.1 an attacker that has access to the unlocked physical device can bypass the Nextcloud Android Pin/passcode protection via a thirdparty app. This allows to see meta information like sharer, sharees and activity of files. It is recommended that the Nextcloud Android app is upgraded to 3.24.1. There are no known workarounds for this vulnerability.
CVSS vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Physical
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SE
security-advisories · nextcloud
>= 3.7.0, < 3.24.1 · source: vendor
NE
Nextcloud · Nextcloud
3.7.0 before 3.24.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-28646
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-28646
Issue Tracking
https://github.com/nextcloud/android/pull/11242
Vendor Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3rf-94h6-vj8v
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