Information disclosure in Nextcloud Talk
CVE-2022-41971
Nextcould Talk android is a video and audio conferencing app for Nextcloud. Prior to versions 12.2.8, 13.0.10, 14.0.6, and 15.0.0, guests can continue to receive video streams from a call after being removed from a conversation. An attacker would be able to see videos on a call in a public conversation after being removed from that conversation, provided that they were removed while being in the call. Versions 12.2.8, 13.0.10, 14.0.6, and 15.0.0 contain patches for the issue. No known workarounds are available.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.008 (54.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000
Affected products
- Nextcloud Talk
- Nextcloud Security-Advisories — versions < 12.2.8, >= 13.0.0, < 13.0.10, >= 14.0.0, < 14.0.6
Weakness classification (CWE)
References
- github.com/nextcloud/security-advisories/security/advisories/GHSA-wx6w-xpg9-6fv4 (Third Party Advisory)
- github.com/nextcloud/spreed/pull/7974 (Third Party Advisory)
- hackerone.com/reports/1706248 (Permissions Required, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-41971?
- CVE-2022-41971 is a medium-severity vulnerability in Nextcloud Talk, classified under Information Disclosure. CVSS score: 4.8/10. Published 2022-12-01.
- How severe is CVE-2022-41971?
- Medium severity. CVSS v3 base score is 4.8 out of 10.