What is the severity of CVE-2022-26133?

The severity of CVE-2022-26133 is critical with a CVSS score of 9.8.

Can an unauthenticated attacker exploit CVE-2022-26133?

Yes, an unauthenticated attacker can exploit CVE-2022-26133.

How can an attacker exploit CVE-2022-26133?

An attacker can exploit CVE-2022-26133 by executing arbitrary code via Java deserialization.

Are there any references available for CVE-2022-26133?

Yes, you can find references for CVE-2022-26133 at the following links: [Reference 1](https://confluence.atlassian.com/security/multiple-products-security-advisory-hazelcast-vulnerable-to-remote-code-execution-cve-2016-10750-1116292387.html), [Reference 2](https://jira.atlassian.com/browse/BSERV-13173).

Vulnerability/
CVE-2022-26133

critical

9.8

CWE

502

20/4/2022

28/4/2022

CVE-2022-26133

Q: How does CVE-2022-26133 affect Atlassian Bitbucket Data Center?

CVE-2022-26133 affects Atlassian Bitbucket Data Center versions 5.14.0 and later before 7.6.14, 7.7.0 and later prior to 7.17.6, 7.18.0 and later prior to 7.18.4, 7.19.0 and later prior to 7.19.4, and 7.20.0.

First published: Wed Apr 20 2022(Updated: )

SharedSecretClusterAuthenticator in Atlassian Bitbucket Data Center versions 5.14.0 and later before 7.6.14, 7.7.0 and later prior to 7.17.6, 7.18.0 and later prior to 7.18.4, 7.19.0 and later prior to 7.19.4, and 7.20.0 allow a remote, unauthenticated attacker to execute arbitrary code via Java deserialization.

Credit: security@atlassian.com

Affected Software	Affected Version	How to fix
Atlassian Bitbucket Data Center	>=5.14.0<7.6.14
Atlassian Bitbucket Data Center	>=7.7.0<7.17.6
Atlassian Bitbucket Data Center	>=7.18.0<7.18.4
Atlassian Bitbucket Data Center	>=7.19.0<7.19.4
Atlassian Bitbucket Data Center	=7.20.0

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2022-26133?
The severity of CVE-2022-26133 is critical with a CVSS score of 9.8.
How does CVE-2022-26133 affect Atlassian Bitbucket Data Center?
CVE-2022-26133 affects Atlassian Bitbucket Data Center versions 5.14.0 and later before 7.6.14, 7.7.0 and later prior to 7.17.6, 7.18.0 and later prior to 7.18.4, 7.19.0 and later prior to 7.19.4, and 7.20.0.
Can an unauthenticated attacker exploit CVE-2022-26133?
Yes, an unauthenticated attacker can exploit CVE-2022-26133.
How can an attacker exploit CVE-2022-26133?
An attacker can exploit CVE-2022-26133 by executing arbitrary code via Java deserialization.
Are there any references available for CVE-2022-26133?
Yes, you can find references for CVE-2022-26133 at the following links: [Reference 1](https://confluence.atlassian.com/security/multiple-products-security-advisory-hazelcast-vulnerable-to-remote-code-execution-cve-2016-10750-1116292387.html), [Reference 2](https://jira.atlassian.com/browse/BSERV-13173).

collector/nvd-index
vendor/atlassian
canonical/atlassian bitbucket data center
version/atlassian bitbucket data center/5.14.0
version/atlassian bitbucket data center/7.7.0
version/atlassian bitbucket data center/7.18.0
version/atlassian bitbucket data center/7.19.0
version/atlassian bitbucket data center/7.20.0

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