PT-2021-19836 · Nextcloud · Nextcloud Android App

Rtod · CVE-2021-32658 · Published 2021-06-08 · Updated 2026-07-12

Positive Technologies (AI Summary)

CVSS v3.1

4.7

Medium

Base vector

AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Nextcloud Android versions prior to 3.16.1

Description The Nextcloud Android client has a timeout issue that may prevent it from properly cleaning sensitive data when an account is removed. This could include sensitive key material, such as End-to-End encryption keys.

Recommendations For versions prior to 3.16.1, upgrade the Nextcloud Android App to 3.16.1 to resolve the issue.

Exploit

Fix

Information Disclosure

Weakness Enumeration

CWE-200

CWE-212

Related Identifiers

BIT-NEXTCLOUD-2021-32658

CVE-2021-32658

GHSA-G5GF-RMHM-WPXW

Affected Products

Nextcloud Android App

References · 8

• 🔥 https://hackerone.com/reports/1189168 · Exploit
• https://github.com/nextcloud/android/commit/355f3c745b464b741b20a3b96597303490c26333 · Patch
• https://osv.dev/vulnerability/CVE-2021-32658 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-nextcloud-2021-32658 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-32658 · Security Note
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g5gf-rmhm-wpxw · Note
• https://t.me/cvenotify/15864 · Telegram Post
• https://t.me/cvenotify/15885 · Telegram Post