Information disclosure in Nextcloud
CVE-2021-32695
Nextcloud Android app is the Android client for Nextcloud. In versions prior to 3.16.1, a malicious app on the same device could have gotten access to the shared preferences of the Nextcloud Android application. This required user-interaction as a victim had to initiate the sharing flow and choose the malicious app. The shared preferences contain some limited private data such as push tokens and the account name. The vulnerability is patched in version 3.16.1.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.9 (Low). Vector: CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.009 (57.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Nextcloud
- Nextcloud Security-Advisories — versions < 3.16.1
Weakness classification (CWE)
References
- github.com/nextcloud/security-advisories/security/advisories/GHSA-25m9-cf6c-qf2c (Third Party Advisory)
- github.com/nextcloud/android/pull/8433 (Patch, Third Party Advisory)
- hackerone.com/reports/1142918 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-32695?
- CVE-2021-32695 is a low-severity vulnerability in Nextcloud, classified under Information Disclosure. CVSS score: 3.9/10. Published 2021-06-17.
- How severe is CVE-2021-32695?
- Low severity. CVSS v3 base score is 3.9 out of 10.