CVE-2023-23943

medium

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.

References

https://hackerone.com/reports/1746582

https://hackerone.com/reports/1741525

https://hackerone.com/reports/1736390

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8gcx-r739-9pf6

https://github.com/nextcloud/mail/pull/7796

Details

Source: Mitre, NVD

Published: 2023-02-06

Updated: 2023-02-15

Risk Information

CVSS v2

Base Score: 3.3

Vector: CVSS2#AV:A/AC:L/Au:N/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 4.3

Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Severity: Medium

EPSS

EPSS: 0.0013