PT-2021-19830 · Nextcloud · Nextcloud Mail

Kesselb · Published 2021-06-01 · Updated 2024-11-20 · CVE-2021-32652

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Nextcloud Mail versions prior to 1.4.3 Nextcloud Mail versions prior to 1.8.2

Description A missing permission check in Nextcloud Mail allows another authenticated user to access mail metadata of other users.

Recommendations For versions prior to 1.4.3, update to version 1.4.3 or later to resolve the issue. For versions prior to 1.8.2, update to version 1.8.2 or later to resolve the issue.

Exploit

Fix

Improper Access Control

Missing Authorization

Weakness Enumeration

CWE-284

CWE-862

Related Identifiers

CVE-2021-32652

GHSA-MXX2-6RG9-V2VC

Affected Products

Nextcloud Mail

References · 6

• 🔥 https://hackerone.com/reports/1094063 · Exploit
• https://osv.dev/vulnerability/CVE-2021-32652 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-32652 · Security Note
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mxx2-6rg9-v2vc · Note
• https://t.me/cvenotify/16275 · Telegram Post
• https://t.me/cvenotify/102269 · Telegram Post