CVE-2023-25160 - CVE House

Back to Database

Status published Medium CVE-2023-25160

IDOR Vulnerability in Nextcloud Mail

4.1 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-25160

Check My Exposure

Credits & Attribution

No credits recorded in the NVD database.

References

More from nextcloud

View All →

Nextcloud Twofactor WebAuthn app was updated based on public key

Nextcloud Deck app allowed user with "Can share" permission to modify permissions of other non-owners

Nextcloud talk allows participants to blindly delete poll drafts of other users by ID

Nextcloud Contacts vulnerable to Stored XSS in contacts app via organisation and title field

Nextcloud Tables app allowed users to view columns metadata information of any table

Affected Vendor

nextcloud

View all reports →

Affected Software

security-advisories

Vulnerable Versions:

< 1.11.8, >= 1.12.0, < 1.12.9, >= 1.13.0, < 1.14.5, >= 2.0.0, < 2.2.1

Timeline

Official Publish: February 13th, 2023

Last Modified: March 10th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1078 Valid Accounts

T1213 Data from Information Repositories

T1021 Remote Services

Lateral Movement

T1098 Account Manipulation

Privilege Escalation