CVE-2013-0247

OpenStack Keystone Essex 2012.1.3 and earlier, Folsom 2012.2.3 and earlier, and Grizzly grizzly-2 and earlier allows remote attackers to cause a denial of service (disk consumption) via many invalid token requests that trigger excessive generation of log entries.

Published: 2013-02-24 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-0247 is rated Moderate Risk (50.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.24%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2013-0247

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 2.96% 3.24% +0.28%
2 2025-03-30 2.38% 2.96% +0.58%
3 2025-03-29 — 2.38% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-0247

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2013-0247

OS Trackers for CVE-2013-0247

vendor priority summary link
debian not yet assigned CVE-2013-0247 not yet assigned priority: Debian including 1 source packages (keystone), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2013-0247
redhat medium — https://access.redhat.com/security/cve/CVE-2013-0247
ubuntu medium CVE-2013-0247 medium priority: Ubuntu including 1 source packages (keystone), 6 status rows across 6 suites (hardy, lucid, oneiric, precise, quantal, upstream): DNE 2, released 2, ignored 1, needs-triage 1. https://ubuntu.com/security/CVE-2013-0247

NVD evaluator notes for CVE-2013-0247

Comment: Per http://www.ubuntu.com/usn/USN-1715-1/ A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.10 Ubuntu 12.04 LTS

Affected software / configurations for CVE-2013-0247

Vendor Product Version Raw CPE
openstack keystone >= 2012.1, <= 2012.1.3 cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*
openstack keystone >= 2012.2, <= 2012.2.3 cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*
openstack keystone >= 2013.1, <= 2013.1.2 cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 12.10 cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*

References for CVE-2013-0247

cvelogic Threat Intelligence