Passcode Bypass in Nextcloud Talk Android (15.0.1) Allows File Access
CVE-2023-22473 Published on January 9, 2023
Passcode bypass on Talk-Android app
Talk-Android enables users to have video & audio calls through Nextcloud on Android. Due to passcode bypass, an attacker is able to access the user's Nextcloud files and view conversations. To exploit this the attacker needs to have physical access to the target's device. There are currently no known workarounds available. It is recommended that the Nextcloud Talk Android app is upgraded to 15.0.2.
Vulnerability Analysis
CVE-2023-22473 can be exploited with physical access, requires user interaction. This vulnerability is considered to have a low attack complexity. Public availability of a proof of concept (POC) exploit exists for CVE-2023-22473. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2023-22473 has been classified to as an Authorization vulnerability or weakness.
Products Associated with CVE-2023-22473
Want to know whenever a new CVE is published for Nextcloud Talk? stack.watch will email you.
Affected Versions
nextcloud security-advisories Version < 15.0.2 is affected by CVE-2023-22473Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.