VULNERABILITY INTELLIGENCE

CVE-2023-48307

CVSS score3.5 LOW

EPSS probability0.87%

CISA KEVNot currently listed

Published2023-11-21

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L

Description

Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. Starting in version 1.13.0 and prior to version 2.2.8 and 3.3.0, an attacker can use an unprotected endpoint in the Mail app to perform a SSRF attack. Nextcloud Mail app versions 2.2.8 and 3.3.0 contain a patch for this issue. As a workaround, disable the mail app.

Weakness classification

security-advisories@github.com: CWE-918

Primary references

security-advisories@github.com — Issue Tracking, Patch
security-advisories@github.com — Vendor Advisory
security-advisories@github.com — Permissions Required
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Permissions Required