CVE-2023-23943 — Blind SSRF via server URL input in the Nextcloud Mail app
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 server…
Published: 2023-02-06 · CVSS: 5.0 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7