CVEvulnerability
CVE-2023-48307
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2023-11-21
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 3.5 LOW — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-918
Description
Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. Starting in version 1.13.0 and prior to version 2.2.8 and 3.3.0, an attacker can use an unprotected endpoint in the Mail app to perform a SSRF attack. Nextcloud Mail app versions 2.2.8 and 3.3.0 contain a patch for this issue. As a workaround, disable the mail app.
Affected configurations
• nextcloud mail (>= 1.13.0 < 2.2.8)
• nextcloud mail (>= 3.0.0 < 3.3.0)
Related
Weakness · CWE (1)
- CWE-918 Server-Side Request Forgery weakness
References
- https://github.com/nextcloud/mail/pull/8709 Issue Tracking, Patch
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4pp4-m8ph-2999 Vendor Advisory
- https://hackerone.com/reports/1869714 Permissions Required
- https://github.com/nextcloud/mail/pull/8709 Issue Tracking, Patch
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4pp4-m8ph-2999 Vendor Advisory
- https://hackerone.com/reports/1869714 Permissions Required