What is the vulnerability ID for this Nextcloud server vulnerability?

The vulnerability ID for this Nextcloud server vulnerability is CVE-2023-32318.

What is the severity level of CVE-2023-32318?

CVE-2023-32318 has a severity level of medium (6.7).

Which software versions are affected by CVE-2023-32318?

CVE-2023-32318 affects Nextcloud Server versions between 25.0.2 and 25.0.6 (inclusive), as well as version 26.0.0.

How does the vulnerability in session handling affect Nextcloud Server?

The vulnerability in session handling between Nextcloud Server and the Nextcloud Text app prevents a correct destruction of the session on logout if cookies are not cleared manually.

Is there a fix available for CVE-2023-32318?

Yes, a fix for CVE-2023-32318 is available.

Vulnerability/
CVE-2023-32318

high

7.2

CWE

613

26/5/2023

14/1/2025

CVE-2023-32318: User session not correctly destroyed on logout

First published: Fri May 26 2023(Updated: )

Nextcloud server provides a home for data. A regression in the session handling between Nextcloud Server and the Nextcloud Text app prevented a correct destruction of the session on logout if cookies were not cleared manually. After successfully authenticating with any other account the previous session would be continued and the attacker would be authenticated as the previously logged in user. It is recommended that the Nextcloud Server is upgraded to 25.0.6 or 26.0.1.

Credit: security-advisories@github.com

Affected Software	Affected Version	How to fix
Nextcloud Nextcloud Server	>=25.0.2<25.0.6
Nextcloud Nextcloud Server	>=25.0.2<25.0.6
Nextcloud Nextcloud Server	=26.0.0
Nextcloud Nextcloud Server	=26.0.0

Remedy

https://github.com/nextcloud/text/pull/3946

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Frequently Asked Questions

What is the vulnerability ID for this Nextcloud server vulnerability?
The vulnerability ID for this Nextcloud server vulnerability is CVE-2023-32318.
What is the severity level of CVE-2023-32318?
CVE-2023-32318 has a severity level of medium (6.7).
Which software versions are affected by CVE-2023-32318?
CVE-2023-32318 affects Nextcloud Server versions between 25.0.2 and 25.0.6 (inclusive), as well as version 26.0.0.
How does the vulnerability in session handling affect Nextcloud Server?
The vulnerability in session handling between Nextcloud Server and the Nextcloud Text app prevents a correct destruction of the session on logout if cookies are not cleared manually.
Is there a fix available for CVE-2023-32318?
Yes, a fix for CVE-2023-32318 is available.

collector/nvd-index
collector/nvd-latest
vendor/nextcloud
vendor/nextcloud server
agent/references
agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/title
agent/weakness
agent/severity
agent/author
agent/description
agent/remedy
agent/first-publish-date
agent/tags
agent/event
canonical/nextcloud nextcloud server
version/nextcloud nextcloud server/25.0.2
version/nextcloud nextcloud server/26.0.0

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