CVE-2013-0270
Low
No strong exploitation signal.
CVSS base
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS — probability of exploitation (30 days)
3.2%
87.4th percentile
CISA KEV
Not listed
Weakness / dates
CWE-119
Published 2013-04-12 · modified 2026-07-30
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | L | Low |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | N | None |
| Integrity | N | None |
| Availability | H | High |
Timeline
- 2013-04-12 — Published (NVD)
- 2026-07-30 — Last modified (NVD)
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.
Affected
References
- http://rhn.redhat.com/errata/RHSA-2013-0708.html
- https://access.redhat.com/errata/RHSA-2013:0708
- https://access.redhat.com/security/cve/CVE-2013-0270
- https://bugs.launchpad.net/keystone/+bug/1099025
- https://bugzilla.redhat.com/show_bug.cgi?id=909012
- https://github.com/openstack/keystone/commit/7691276b869a86c2b75631d5bede9f61e030d9d8
- https://github.com/openstack/keystone/commit/82c87e5638ebaf9f166a9b07a0155291276d6fdc
- https://launchpad.net/keystone/grizzly/2013.1
- http://rhn.redhat.com/errata/RHSA-2013-0708.html
- https://bugs.launchpad.net/keystone/+bug/1099025
- https://bugzilla.redhat.com/show_bug.cgi?id=909012
- https://github.com/openstack/keystone/commit/7691276b869a86c2b75631d5bede9f61e030d9d8
- https://github.com/openstack/keystone/commit/82c87e5638ebaf9f166a9b07a0155291276d6fdc
- https://launchpad.net/keystone/grizzly/2013.1