CVE-2013-0270

Description

A flaw was found in OpenStack Keystone. A remote attacker could exploit this vulnerability by sending a large HTTP request, specifically by providing a long tenant name when requesting a token. This could lead to a denial of service, consuming excessive CPU and memory resources on the affected system.

Metrics

CVSS 3.1

6.5 (MEDIUM) Score source: CNA CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS — exploit probability

3% (percentile: 88) as of 1 November 2026

CWE

CWE-1284, CWE-119

Affected products

openstack: keystone

References

• https://launchpad.net/keystone/grizzly/2013.1 PatchThird Party Advisory
• https://launchpad.net/keystone/grizzly/2013.1 PatchThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2013-0708.html Third Party Advisory
• https://access.redhat.com/errata/RHSA-2013:0708
• https://access.redhat.com/security/cve/CVE-2013-0270
• https://bugs.launchpad.net/keystone/+bug/1099025 Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=909012 Third Party Advisory
• https://github.com/openstack/keystone/commit/7691276b869a86c2b75631d5bede9f61e0… Third Party Advisory
• https://github.com/openstack/keystone/commit/82c87e5638ebaf9f166a9b07a015529127… Third Party Advisory
• http://rhn.redhat.com/errata/RHSA-2013-0708.html Third Party Advisory