What is the vulnerability ID for the Couchbase Server vulnerability?

The vulnerability ID for the Couchbase Server vulnerability is CVE-2019-11496.

What is the severity level of CVE-2019-11496?

The severity level of CVE-2019-11496 is critical with a score of 9.1.

Which versions of Couchbase Server are affected by CVE-2019-11496?

Versions of Couchbase Server prior to 5.0 are affected by CVE-2019-11496.

What was the behavior of the "default" bucket in versions prior to 5.0?

In versions prior to 5.0, the "default" bucket allowed read and write access without authentication.

How was the behavior of all buckets changed in version 5.0?

In version 5.0, the behavior of all buckets, including the "default" bucket, was changed to only allow access by authenticated users with sufficient authorization.

How can I fix the vulnerability in my Couchbase Server?

To fix the vulnerability, upgrade your Couchbase Server to a version later than 5.0.

Vulnerability/
CVE-2019-11496

critical

9.1

CWE

306

10/9/2019

4/8/2024

CVE-2019-11496

First published: Tue Sep 10 2019(Updated: )

In versions of Couchbase Server prior to 5.0, the bucket named "default" was a special bucket that allowed read and write access without authentication. As part of 5.0, the behavior of all buckets including "default" were changed to only allow access by authenticated users with sufficient authorization. However, users were allowed unauthenticated and unauthorized access to the "default" bucket if the properties of this bucket were edited. This has been fixed in versions 5.1.0 and 5.5.0.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Couchbase Couchbase Server	<=5.0.0

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Reference Links

https://www.couchbase.com/resources/security#SecurityAlerts

Frequently Asked Questions

What is the vulnerability ID for the Couchbase Server vulnerability?
The vulnerability ID for the Couchbase Server vulnerability is CVE-2019-11496.
What is the severity level of CVE-2019-11496?
The severity level of CVE-2019-11496 is critical with a score of 9.1.
Which versions of Couchbase Server are affected by CVE-2019-11496?
Versions of Couchbase Server prior to 5.0 are affected by CVE-2019-11496.
What was the behavior of the "default" bucket in versions prior to 5.0?
In versions prior to 5.0, the "default" bucket allowed read and write access without authentication.
How was the behavior of all buckets changed in version 5.0?
In version 5.0, the behavior of all buckets, including the "default" bucket, was changed to only allow access by authenticated users with sufficient authorization.
How can I fix the vulnerability in my Couchbase Server?
To fix the vulnerability, upgrade your Couchbase Server to a version later than 5.0.

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agent/last-modified-date
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vendor/couchbase
canonical/couchbase couchbase server
version/couchbase couchbase server/5.0.0

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