CVE-2023-25160

MEDIUM

Nextcloud Mail < 1.11.8 - Unauthenticated Email Metadata Exposure via Mailbox ID

Title source: llm
STIX 2.1

Description

Nextcloud Mail is an email app for the Nextcloud home server platform. Prior to versions 2.2.1, 1.14.5, 1.12.9, and 1.11.8, an attacker can access the mail box by ID getting the subjects and the first characters of the emails. Users should upgrade to Mail 2.2.1 for Nextcloud 25, Mail 1.14.5 for Nextcloud 22-24, Mail 1.12.9 for Nextcloud 21, or Mail 1.11.8 for Nextcloud 20 to receive a patch. No known workarounds are available.

References (3)

Core 3
Core References
Permissions Required, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/1784681

Scores

CVSS v3 4.1
EPSS 0.0046
EPSS Percentile 36.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-639
Status published
Products (1)
nextcloud/mail < 1.11.8
Published Feb 13, 2023
Tracked Since Feb 18, 2026