CVE-2023-39957
HIGHNextcloud Talk Android < 17.0.0 - Path Traversal via Unprotected Intent
Title source: llmDescription
Nextcloud Talk Android allows users to place video and audio calls through Nextcloud on Android. Prior to version 17.0.0, an unprotected intend allowed malicious third party apps to trick the Talk Android app into writing files outside of its intended cache directory. Nextcloud Talk Android version 17.0.0 has a patch for this issue. No known workarounds are available.
References (3)
Core 3
Core References
Patch, Vendor Advisory x_refsource_confirm
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-36f7-93f3-mcfj
Patch x_refsource_misc
https://github.com/nextcloud/talk-android/pull/3064
Issue Tracking, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/1997029
Scores
CVSS v3
7.8
EPSS
0.0048
EPSS Percentile
65.3%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-22
Status
published
Products (2)
nextcloud/talk
17.0.0 rc1 (3 CPE variants)
nextcloud/talk
< 17.0.0
Published
Aug 10, 2023
Tracked Since
Feb 18, 2026