CVE-2023-23943

The CVE-2023-23943 entry affects Nextcloud Mail. Affected: Nextcloud Mail app; issue: insufficient validation of incoming requests in the smtpHost/server URL input allows blind SSRF to scan internal/local-network services; impact: documented as enabling discovery of internal services reachable fr...

CVE-2023-45660

CVE-2023-45660 affects Nextcloud Mail. The vulnerability arises from a missing check of origin, target and cookies in the image proxy/endpoint, enabling an attacker to abuse the proxy and cause a denial of service to a third server. Affected versions are Nextcloud Mail prior to 2.2.8 and prior to...

CVE-2023-33184

CVE-2023-33184 affects the Nextcloud Mail app in Nextcloud. A blind SSRF on the avatar endpoint could cause the app to send GET requests to internal services on the same web server. The available references indicate fixes are in Nextcloud Mail updates: v3.02, v2.2.5, or v1.15.3. There is no docum...

CVE-2024-52509

Nextcloud Mail vulnerability CVE-2024-52509: the Nextcloud Mail app incorrectly allowed attaching shared files without download permissions as attachments, enabling access to files via mail clients. Root cause: insufficient access control in the mail attachment handling. Affected versions prior t...