Improper Certificate Validation in OpenStack Keystone and Other Components
Summary
CVE-2013-2255: OpenStack Keystone and other components vulnerable to Improper Certificate Validation. Affects python-keystoneclient versions < 0.4.0. Fixed in 0.4.0. How to fix ↓
Also tracked for
The same CVE-2013-2255 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.
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Background
OpenStack Keystone is an open-source identity service that provides authentication and authorization for other OpenStack services. It is a critical component of the OpenStack cloud computing platform. OpenStack Compute, Cinder, and Neutron are other OpenStack components that may also be affected. These components are widely used in cloud infrastructure deployments.
Vulnerability Detail
The vulnerability in OpenStack Keystone and other components lies in the improper validation of server-side SSL certificates. HTTPSConnections in these components fail to properly verify the authenticity of the server's SSL certificate. This could allow an attacker to perform man-in-the-middle attacks, intercept sensitive information, and potentially impersonate the server.
How To Fix
Latest published version: 6.0.0 as of 23 Oct 2026
pip install --upgrade "python-keystoneclient==6.0.0"Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
0.4.0
This is the first release that contains the fix.
pip install --upgrade "python-keystoneclient==0.4.0"Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no known workaround for this vulnerability. It is recommended to apply the provided fixes as soon as possible.
Conclusion
OpenStack Keystone and other components are vulnerable to improper certificate validation, which could lead to man-in-the-middle attacks and interception of sensitive information. It is crucial to update the affected packages to the fixed versions and ensure proper SSL certificate configuration. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for python-keystoneclient →
FAQ
OpenStack Keystone is an open-source identity service that provides authentication and authorization for other OpenStack services. It is a critical component of the OpenStack cloud computing platform.
OpenStack Keystone, Compute, Cinder, and Neutron are the affected components. These components are widely used in cloud infrastructure deployments.
The vulnerability could allow an attacker to perform man-in-the-middle attacks, intercept sensitive information, and potentially impersonate the server.
To fix this vulnerability, update the affected packages to the fixed versions mentioned in the 'how_to_fix' section. Additionally, ensure that the SSL certificates used by the server are properly configured and trusted.
There is no known workaround for this vulnerability. It is recommended to apply the provided fixes as soon as possible.
References
Related vulnerabilities
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