VULNERABILITY INTELLIGENCE
CVE-2023-23943
CVSS score5 MEDIUM
EPSS probability0.92%
CISA KEVNot currently listed
Published2023-02-06
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
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.
Weakness classification
- CWE-918: Server-Side Request Forgery (SSRF)
Primary references
- security-advisories@github.com — Patch
- security-advisories@github.com — Vendor Advisory
- security-advisories@github.com — Exploit, Third Party Advisory
- security-advisories@github.com — Exploit, Third Party Advisory
- security-advisories@github.com — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory