CVE-2013-2167

Insufficient Verification of Data Authenticity in python-keystoneclient

9.8 CriticalFix available

python-keystoneclient version 0.2.3 to 0.2.5 has middleware memcache signing 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

1.97%Up 0.4 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 signing bypass

Record: CVE-2013-2167
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-345
Updated: 2026-11-02

CVE List No score

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

Record: CVE-2013-2167
Updated: 2026-11-02

EUVDEUVD-2019-0115 No score

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

Record: EUVD-2019-0115
Updated: 2026-11-03

GitHub AdvisoriesGHSA-9vg3-cf92-h2h7 9.3

Insufficient Verification of Data Authenticity in python-keystoneclient

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

Record: GHSA-9vg3-cf92-h2h7
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-345
Updated: 2026-11-02

OSV 9.8

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

Record: CVE-2013-2167
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-2013-2167 9.8

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

Record: DEBIAN-CVE-2013-2167
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-9vg3-cf92-h2h7 9.3

Insufficient Verification of Data Authenticity in python-keystoneclient

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

Record: GHSA-9vg3-cf92-h2h7
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-345
Updated: 2026-11-02

OSVPYSEC-2019-161 No score

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

Record: PYSEC-2019-161
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-2013-2167 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 1.97%, the 80th percentile. Fixed in python-keystoneclient 0.3.0.

References

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