CVEvulnerability
CVE-2023-23943
4.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2023-02-06
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.0 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
- CVSS 3.1 ([email protected])
- 4.3 MEDIUM — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weaknesses
- CWE-918
Description
Nextcloud mail is an email app for the nextcloud home server platform. In affected versions the SMTP, IMAP and Sieve host fields allowed to scan for internal services and servers reachable from within the local network of the Nextcloud Server. It is recommended that the Nextcloud Maill app is upgraded to 1.15.0 or 2.2.2. The only known workaround for this issue is to completely disable the nextcloud mail app.
Affected configurations
• nextcloud mail (< 1.15.0)
• nextcloud mail (>= 2.2.0 < 2.2.2)
Related
Weakness · CWE (1)
- CWE-918 Server-Side Request Forgery weakness
References
- https://github.com/nextcloud/mail/pull/7796 Patch
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8gcx-r739-9pf6 Vendor Advisory
- https://hackerone.com/reports/1736390 Exploit, Third Party Advisory
- https://hackerone.com/reports/1741525 Exploit, Third Party Advisory
- https://hackerone.com/reports/1746582 Exploit, Third Party Advisory
- https://github.com/nextcloud/mail/pull/7796 Patch
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8gcx-r739-9pf6 Vendor Advisory
- https://hackerone.com/reports/1736390 Exploit, Third Party Advisory
- https://hackerone.com/reports/1741525 Exploit, Third Party Advisory
- https://hackerone.com/reports/1746582 Exploit, Third Party Advisory