SB2023040411 - Improper Authentication in Nextcloud Android App
Published: April 4, 2023
Security Bulletin ID
SB2023040411
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Physical access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Authentication (CVE-ID: CVE-2023-28646)
CWE-ID: CWE-287 - Improper Authentication
CVSSv4: CVSS:4.0/AV:P/AC:L/AT:P/PR:L/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local attacker to bypass authentication process.
The vulnerability exists due to an error when processing authentication requests in the App pin. An authenticated attacker with physical access to an unlocked device can bypass the Nextcloud Android Pin protection via a thirdparty app.
Remediation
Install update from vendor's website.