What is CVE-2021-32676?

CVE-2021-32676 is a vulnerability in Nextcloud Talk that allows password protected shared chats to not rotate the session cookie after a successful authentication event.

How does CVE-2021-32676 affect Nextcloud Talk?

CVE-2021-32676 affects Nextcloud Talk versions 9.0.10, 10.0.8, and 11.2.2.

What is the severity level of CVE-2021-32676?

The severity level of CVE-2021-32676 is medium.

How can I fix CVE-2021-32676 in Nextcloud Talk?

To fix CVE-2021-32676, it is recommended to upgrade the Nextcloud Talk App to version 9.0.10 or higher.

Where can I find more information about CVE-2021-32676?

For more information about CVE-2021-32676, you can refer to the following sources: [GitHub Security Advisory](https://github.com/nextcloud/security-advisories/security/advisories/GHSA-p6h7-84v4-827r) and [HackerOne report](https://hackerone.com/reports/1181962).

Vulnerability/
CVE-2021-32676

medium

6.5

CWE

384

16/6/2021

3/8/2024

CVE-2021-32676: Session Fixation in Nextcloud Talk

First published: Wed Jun 16 2021(Updated: )

Nextcloud Talk is a fully on-premises audio/video and chat communication service. Password protected shared chats in Talk before version 9.0.10, 10.0.8 and 11.2.2 did not rotate the session cookie after a successful authentication event. It is recommended that the Nextcloud Talk App is upgraded to 9.0.10, 10.0.8 or 11.2.2. No workarounds for this vulnerability are known to exist.

Credit: security-advisories@github.com

Affected Software	Affected Version	How to fix
Nextcloud talk	<9.0.10
Nextcloud talk	>=10.0.0<10.0.8
Nextcloud talk	>=11.2.0<11.2.2

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Frequently Asked Questions

What is CVE-2021-32676?
CVE-2021-32676 is a vulnerability in Nextcloud Talk that allows password protected shared chats to not rotate the session cookie after a successful authentication event.
How does CVE-2021-32676 affect Nextcloud Talk?
CVE-2021-32676 affects Nextcloud Talk versions 9.0.10, 10.0.8, and 11.2.2.
What is the severity level of CVE-2021-32676?
The severity level of CVE-2021-32676 is medium.
How can I fix CVE-2021-32676 in Nextcloud Talk?
To fix CVE-2021-32676, it is recommended to upgrade the Nextcloud Talk App to version 9.0.10 or higher.
Where can I find more information about CVE-2021-32676?
For more information about CVE-2021-32676, you can refer to the following sources: [GitHub Security Advisory](https://github.com/nextcloud/security-advisories/security/advisories/GHSA-p6h7-84v4-827r) and [HackerOne report](https://hackerone.com/reports/1181962).

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vendor/nextcloud
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version/nextcloud talk/10.0.0
version/nextcloud talk/11.2.0

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