PT-2024-9167 · Nextcloud+1 · Nextcloud Mail+1

Rullzer · CVE-2024-52509 · Published 2024-11-15 · Updated 2025-09-04

Positive Technologies (AI Summary)

CVSS v3.1

5.7

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Nextcloud Mail versions prior to 2.2.10 Nextcloud Mail versions prior to 3.6.2 Nextcloud Mail versions prior to 3.7.2

Description: The issue is related to insufficient access control in the Nextcloud mail client, allowing a remote attacker to disclose protected information. Specifically, the Nextcloud mail app incorrectly allowed attaching shared files without download permissions as attachments, enabling users to send and download these files through their mail clients.

Recommendations: For Nextcloud Mail versions prior to 2.2.10, upgrade to version 2.2.10 or later. For Nextcloud Mail versions prior to 3.6.2, upgrade to version 3.6.2 or later. For Nextcloud Mail versions prior to 3.7.2, upgrade to version 3.7.2 or later.

Exploit

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

BDU:2024-10854

CVE-2024-52509

GHSA-PWPP-FVCR-W862

Affected Products

Nextcloud Mail

Red Os

References · 13

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/52xxx/CVE-2024-52509.json · Exploit
• https://github.com/nextcloud/mail/pull/9592 · Patch
• https://github.com/nextcloud/mail/commit/8d44f1ce44684022aa4e62a3e0462fdadcde6c8b · Patch
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-pwpp-fvcr-w862 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2024-52509 · Vendor Advisory
• http://repo.red-soft.ru/redos/7.3c/x86_64/updates · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-10854 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-52509 · Security Note
• https://t.me/cvedetector/11134 · Telegram Post
• https://twitter.com/CVEnew/status/1857557137481986262 · Twitter Post
• https://hackerone.com/reports/1878255 · Note
• https://t.me/cveNotify/134335 · Telegram Post
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-nextcloud-app-mail-cve-2024-52509-cve-2024-52508 · Note