VULNERABILITY INTELLIGENCE

CVE-2023-45660

CVSS score4.3 MEDIUM

EPSS probability0.76%

CISA KEVNot currently listed

Published2023-10-16

Last modified2026-06-17

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

Description

Nextcloud mail is an email app for the Nextcloud home server platform. In affected versions a missing check of origin, target and cookies allows for an attacker to abuse the proxy endpoint to denial of service a third server. It is recommended that the Nextcloud Mail is upgraded to 2.2.8 or 3.3.0. There are no known workarounds for this vulnerability.

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 — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory