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CVE-2013-0247

21
FAUCET Score

CVE-2013-0247 is a denial-of-service vulnerability affecting OpenStack Keystone versions Essex 2012.1.3 and earlier, Folsom 2012.2.3 and earlier, and Grizzly grizzly-2 and earlier, as well as Canonical Ubuntu Linux. Remote attackers can exploit this by sending numerous invalid token requests, leading to excessive log generation and disk consumption. The vulnerability has a CVSS score of 5.0 (medium severity) with a low attack complexity and potential for partial availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2012.1, <= 2012.1.3CPE matchmatch criteria
cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*
>= 2012.2, <= 2012.2.3CPE matchmatch criteria
cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*
>= 2013.1, <= 2013.1.2CPE matchmatch criteria
cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
12.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.24%
Probability of exploitation in next 30 days
EPSS Percentile
87.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0324 is in the 82nd percentile among its peer group of 23,725 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: OpenStack Folsom for RHEL 6Fixed in: openstack-keystone-0:2012.2.1-3.el6ost
View patch

Vendor Advisories (1)

redhatCVE-2013-0247Moderate

Keystone: denial of service through invalid token requests

Feb 5, 2013

References

lists.fedoraproject.org / pipermail/package-announce/2013-February/098906.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2013-0253.html
Third Party Advisory
bugs.launchpad.net / keystone/+bug/1098307
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
PatchThird Party Advisory
securityfocus.com / bid/57747
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-1715-1
Third Party Advisory