What is CVE-2023-25160?

CVE-2023-25160 is a vulnerability in Nextcloud Mail that allows an attacker to access the mail box by ID and view subjects and the first characters of emails.

What is the severity of CVE-2023-25160?

The severity of CVE-2023-25160 is medium, with a severity score of 5.3.

How can I fix CVE-2023-25160?

To fix CVE-2023-25160, users should upgrade to Mail 2.2.1 for Nextcloud 25, Mail 1.14.5 for Nextcloud 20 to 24, Mail 1.12.9 for Nextcloud 16 to 19, or Mail 1.11.8 for Nextcloud 13 to 15.

Where can I find more information about CVE-2023-25160?

You can find more information about CVE-2023-25160 on the following references: [link1](https://github.com/nextcloud/mail/pull/7740), [link2](https://github.com/nextcloud/security-advisories/security/advisories/GHSA-m45f-r5gh-h6cx), [link3](https://hackerone.com/reports/1784681).

Vulnerability/
CVE-2023-25160

medium

5.3

CWE

639

13/2/2023

2/8/2024

CVE-2023-25160: IDOR Vulnerability in Nextcloud Mail

First published: Mon Feb 13 2023(Updated: )

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.

Credit: security-advisories@github.com

Affected Software	Affected Version	How to fix
Nextcloud mail	<1.11.8
Nextcloud mail	>=1.12.0<1.12.9
Nextcloud mail	>=1.13.0<1.14.5
Nextcloud mail	>=2.0.0<2.2.1

Remedy

https://github.com/nextcloud/mail/pull/7740

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Reference Links

Frequently Asked Questions

What is CVE-2023-25160?
CVE-2023-25160 is a vulnerability in Nextcloud Mail that allows an attacker to access the mail box by ID and view subjects and the first characters of emails.
What is the severity of CVE-2023-25160?
The severity of CVE-2023-25160 is medium, with a severity score of 5.3.
How can I fix CVE-2023-25160?
To fix CVE-2023-25160, users should upgrade to Mail 2.2.1 for Nextcloud 25, Mail 1.14.5 for Nextcloud 20 to 24, Mail 1.12.9 for Nextcloud 16 to 19, or Mail 1.11.8 for Nextcloud 13 to 15.
Where can I find more information about CVE-2023-25160?
You can find more information about CVE-2023-25160 on the following references: [link1](https://github.com/nextcloud/mail/pull/7740), [link2](https://github.com/nextcloud/security-advisories/security/advisories/GHSA-m45f-r5gh-h6cx), [link3](https://hackerone.com/reports/1784681).

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vendor/nextcloud
canonical/nextcloud mail
version/nextcloud mail/1.12.0
version/nextcloud mail/1.13.0
version/nextcloud mail/2.0.0

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