CVE-2023-22473
LOWNextcloud Talk < 15.0.2 - Improper Access Control via Passcode Bypass
Title source: llmDescription
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.
References (3)
Core 3
Core References
Third Party Advisory x_refsource_confirm
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wvr4-gc4c-6vmx
Patch, Third Party Advisory x_refsource_misc
https://github.com/nextcloud/talk-android/pull/2598
Exploit, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/1784645
Scores
CVSS v3
2.1
EPSS
0.0009
EPSS Percentile
24.8%
Attack Vector
PHYSICAL
CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-284
Status
published
Products (1)
nextcloud/talk
< 15.0.2
Published
Jan 09, 2023
Tracked Since
Feb 18, 2026