Information disclosure in Nextcloud Mail

CVE-2024-52508

Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. When a user is trying to set up a mail account with an email address like user@example.tld that does not support auto configuration, and an attacker managed to register autoconfig.tld, the used email details would be send to the server of the attacker. It is recommended that the Nextcloud Mail app is upgraded to 1.14.6, 1.15.4, 2.2.11, 3.6.3, 3.7.7 or 4.0.0.

Vulnerability class: Information Disclosure

EPSS: 0.007 (51.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-52508?
CVE-2024-52508 is a high-severity vulnerability in Nextcloud Mail, classified under Information Disclosure. CVSS score: 8.2/10. Published 2024-11-15.
How severe is CVE-2024-52508?
High severity. CVSS v3 base score is 8.2 out of 10.