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CVE-2023-23943

nvd nist
Published: Feb 6, 2023Modified: Jun 17, 2026

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4.3
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Exploitability: 2.8 / Impact: 1.4
Source: NVD

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 (2)

Products: Nextcloud: Mail
Nextcloud
1 product
Mail
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Nextcloud
Mail
Before 1.15.0
Mail
From 2.2.0 to 2.2.2

Related CWEs

CWE-918
Server-Side Request Forgery (SSRF)
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

References (10)

Source: security-advisories@github.com
Patch
Source: security-advisories@github.com
Vendor Advisory
Source: security-advisories@github.com
ExploitThird Party Advisory
Source: security-advisories@github.com
ExploitThird Party Advisory
Source: security-advisories@github.com
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory

Timeline

No history available yet.