CVE-2013-2166: python-keystoneclient Memcache Encryption Bypass

python-keystoneclient Updated 02 Oct 2025

Summary

10/12/2019
Yes i
Critical
9.8

CVE-2013-2166: python-keystoneclient version 0.2.3 to 0.2.5 has middleware memcache encryption bypass. Affects python-keystoneclient versions >= 0.2.3, < 0.3.0. Fixed in 0.3.0. How to fix ↓

Also tracked for

The same CVE-2013-2166 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.

Free scan

Check if this vulnerability affects your application

Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.

Check my app free

No signup required · Results in about 60 seconds

Sponsored Devnack Penetration testing for web, API and mobile Manual testing by engineers who build software, not an auditor's checklist. Trusted by teams at Swift and Google Talk to Devnack

Background

The python-keystoneclient is a Python library that provides a client interface for the OpenStack Keystone API. It is used for authentication and authorization in OpenStack services. The library allows users to interact with the Keystone service to manage users, roles, and other resources. This vulnerability affects python-keystoneclient versions 0.2.3 to 0.2.5.

Vulnerability Detail

The vulnerability in python-keystoneclient version 0.2.3 to 0.2.5 allows for an encryption bypass in the middleware memcache. This can lead to unauthorized access to sensitive information stored in the memcache, potentially compromising the security of the system. The issue originates from a flaw in the encryption implementation, which allows an attacker to bypass the encryption and gain access to the data.

How To Fix

Minimum fixed version

0.3.0

This is the first release that contains the fix.

pip install --upgrade "python-keystoneclient==0.3.0"

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 essential to apply the recommended fix by upgrading to a patched version of python-keystoneclient.

Conclusion

The python-keystoneclient library version 0.2.3 to 0.2.5 is vulnerable to an encryption bypass issue in the middleware memcache. This can lead to unauthorized access to sensitive information. It is crucial to upgrade to version 0.3.0 or later to mitigate this vulnerability. For further support on vulnerability remediation, contact DevNack.com.

See every vulnerability recorded for python-keystoneclient →

Share this vulnerability

FAQ

Python-keystoneclient is a Python library used for authentication and authorization in OpenStack services. It provides a client interface for the OpenStack Keystone API.

Versions 0.2.3 to 0.2.5 of python-keystoneclient are affected by this vulnerability.

This vulnerability allows for an encryption bypass in the middleware memcache, potentially leading to unauthorized access to sensitive information stored in the memcache.

No, there is no known workaround for this vulnerability. It is recommended to upgrade to a patched version of python-keystoneclient.

To fix this vulnerability, upgrade python-keystoneclient to version 0.3.0 or later by running the command: pip install --upgrade python-keystoneclient

Related vulnerabilities

Recent vulnerabilities recorded for python-keystoneclient.

How To Fix

Minimum fixed version

0.3.0

This is the first release that contains the fix.

pip install --upgrade "python-keystoneclient==0.3.0"

Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →

Subscribe to Vulert on Telegram
Daily digest of new CVEs, critical and high severity, affected packages and fixes — plus a weekly roundup.
Join the channel →
Help improve this record
Report an issue or send feedback