CVE Vulnerability

CVE-2023-23943

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.

4.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
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
Configurations

Configuration 1

cpe:2.3:a:nextcloud:mail:*:*:*:*:*:*:*:*
cpe:2.3:a:nextcloud:mail:*:*:*:*:*:*:*:*
Information

Published : 2023-02-06 09:15

Updated : 2023-02-15 04:11

NVD link : CVE-2023-23943

Mitre link : CVE-2023-23943

Products Affected
No products.
CWE
CWE-918

Server-Side Request Forgery (SSRF)