CVE-2013-2166

Inadequate Encryption Strength in python-keystoneclient

9.8 CriticalFix available

python-keystoneclient version 0.2.3 to 0.2.5 has middleware memcache encryption bypass

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

2.15%Up 1.0 points since Feb 4, 2022

What each source reports

NVD Score used 9.8

python-keystoneclient version 0.2.3 to 0.2.5 has middleware memcache encryption bypass

Record: CVE-2013-2166
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-326
Updated: 2026-11-02

CVE List No score

python-keystoneclient version 0.2.3 to 0.2.5 has middleware memcache encryption bypass

Record: CVE-2013-2166
Updated: 2026-11-02

EUVDEUVD-2019-0116 No score

python-keystoneclient version 0.2.3 to 0.2.5 has middleware memcache encryption bypass

Record: EUVD-2019-0116
Updated: 2026-11-03

GitHub AdvisoriesGHSA-c3xq-cj8f-7829 9.3

Inadequate Encryption Strength in python-keystoneclient

python-keystoneclient version 0.2.3 to 0.2.5 has middleware memcache encryption bypass.

Record: GHSA-c3xq-cj8f-7829
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-326
Updated: 2026-11-02

OSV 9.8

python-keystoneclient version 0.2.3 to 0.2.5 has middleware memcache encryption bypass

Record: CVE-2013-2166
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2013-2166 9.8

python-keystoneclient version 0.2.3 to 0.2.5 has middleware memcache encryption bypass

Record: DEBIAN-CVE-2013-2166
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVGHSA-c3xq-cj8f-7829 9.3

Inadequate Encryption Strength in python-keystoneclient

python-keystoneclient version 0.2.3 to 0.2.5 has middleware memcache encryption bypass.

Record: GHSA-c3xq-cj8f-7829
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-326
Updated: 2026-11-02

OSVPYSEC-2019-197 No score

python-keystoneclient version 0.2.3 to 0.2.5 has middleware memcache encryption bypass

Record: PYSEC-2019-197
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`python-keystoneclient` PyPI	0.2.3 to 0.2.5	0.3.0
`python-keystoneclient` Debian:12	before 1:0.2.5-2	1:0.2.5-2
`python-keystoneclient` Debian:13	before 1:0.2.5-2	1:0.2.5-2
`python-keystoneclient` Debian:14	before 1:0.2.5-2	1:0.2.5-2
`python-keystoneclient` PyPI	0.2.3 up to 0.3.0, plus listed versions 0.2.40.2.5	0.3.0
`python-keystoneclient` Red Hat:openstack:3::el6 From an advisory covering 2 CVEs	before 1:0.2.3-5.el6ost	1:0.2.3-5.el6ost
`python-keystoneclient-doc` Red Hat:openstack:3::el6 From an advisory covering 2 CVEs	before 1:0.2.3-5.el6ost	1:0.2.3-5.el6ost

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2013-2166 is a critical vulnerability (CVSS 9.8) in Openstack Python-keystoneclient, published December 10, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.15%, the 82nd percentile. Fixed in python-keystoneclient 0.3.0.

References

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