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CVE-2013-2167

32
FAUCET Score

CVE-2013-2167 describes a critical vulnerability in python-keystoneclient versions 0.2.3 through 0.2.5, impacting various OpenStack and Debian distributions. This flaw allows for a bypass of middleware memcache signing, potentially leading to unauthorized access or manipulation. With a CVSS score of 9.8 (CRITICAL), it presents a severe risk due to its network-based attack vector, low attack complexity, and high potential for confidentiality, integrity, and availability compromise. While there is no evidence of active exploitation, nor publicly available exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion, indicating awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.2.3, <= 0.2.5CPE matchmatch criteria
cpe:2.3:a:openstack:python-keystoneclient:*:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:redhat:openstack:3.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.97%
Probability of exploitation in next 30 days
EPSS Percentile
78.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0197 is in the 67th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

pippatch availablevia ghsa
Product: python-keystoneclientFixed in: 0.3.0
redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: OpenStack 3 for RHEL 6Fixed in: python-keystoneclient-1:0.2.3-5.el6ost
View patch

Vendor Advisories (2)

pipGHSA-9vg3-cf92-h2h7critical

Insufficient Verification of Data Authenticity in python-keystoneclient

Mar 10, 2020
redhatCVE-2013-2167Important

python-keystoneclient: middleware memcache encryption and signing bypass

Jun 19, 2013

References

lists.fedoraproject.org / pipermail/package-announce/2013-August/113944.html
Release NotesThird Party Advisory
rhn.redhat.com / errata/RHSA-2013-0992.html
Third Party Advisory
access.redhat.com / security/cve/cve-2013-2167
Third Party Advisory
bugs.gentoo.org / show_bug.cgi
Not Applicable
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/85492
Third Party AdvisoryVDB Entry
security-tracker.debian.org / tracker/CVE-2013-2167
Third Party Advisory
openwall.com / lists/oss-security/2013/06/19/5
Mailing ListThird Party Advisory
securityfocus.com / bid/60680
Third Party AdvisoryVDB Entry