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Vulnerability record · CVE-2013-2030 · published 27 December 2013

CVE-2013-2030: Openstack compute permissions and access controls vulnerability

Openstack · Compute

keystone/middleware/auth_token.py in OpenStack Nova Folsom, Grizzly, and Havana uses an insecure temporary directory for storing signing certificates, which allows local users to spoof servers by pre-creating this directory, which is reused by Nova, as demonstrated using /tmp/keystone-signing-nova on Fedora.

2.1 CVSS 2.0 Low EPSS 0.24% · top 86.5% CWE-264 · Permissions and access controls
2.1CVSS 2.0 base score
0.24%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
10References
16 Jun 2026Last modified by NVD

Description

keystone/middleware/auth_token.py in OpenStack Nova Folsom, Grizzly, and Havana uses an insecure temporary directory for storing signing certificates, which allows local users to spoof servers by pre-creating this directory, which is reused by Nova, as demonstrated using /tmp/keystone-signing-nova on Fedora.

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

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105916.html
http://lists.openstack.org/pipermail/openstack-announce/2013-May/000098.html PatchVendor Advisory
http://www.openwall.com/lists/oss-security/2013/05/09/2
https://bugs.launchpad.net/nova/+bug/1174608
https://bugzilla.redhat.com/show_bug.cgi?id=958285
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105916.html
http://lists.openstack.org/pipermail/openstack-announce/2013-May/000098.html PatchVendor Advisory
http://www.openwall.com/lists/oss-security/2013/05/09/2
https://bugs.launchpad.net/nova/+bug/1174608
https://bugzilla.redhat.com/show_bug.cgi?id=958285

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2013-0261Openstack essex link following vulnerabilityA flaw was found in PackStack. A local user could exploit a symlink attack on a temporary file with a predictable name in the `/tmp` directory. This …EPSS 0.34%7.6CVE-2013-0335Openstack essex insufficient session expiration vulnerabilityOpenStack Compute (Nova) Grizzly, Folsom (2012.2), and Essex (2012.1) allows remote authenticated users to gain access to a VM in opportunistic circu…EPSS 2.1%7.5CVE-2013-2161Openstack folsom code injection vulnerabilityXML injection vulnerability in account/utils.py in OpenStack Swift Folsom, Grizzly, and Havana allows attackers to trigger invalid or spoofed Swift r…EPSS 1.9%7.1CVE-2013-7130Openstack compute information exposure vulnerabilityThe i_create_images_and_backing (aka create_images_and_backing) method in libvirt driver in OpenStack Compute (Nova) Grizzly, Havana, and Icehouse, w…EPSS 2.4%6.8CVE-2013-1865Openstack folsom improper authentication vulnerabilityOpenStack Keystone Folsom (2012.2) does not properly perform revocation checks for Keystone PKI tokens when done through a server, which allows remot…EPSS 2.6%6.5CVE-2013-0208Openstack essex permissions and access controls vulnerabilityThe boot-from-volume feature in OpenStack Compute (Nova) Folsom and Essex, when using nova-volumes, allows remote authenticated users to boot from ot…EPSS 2.5%6.4CVE-2013-4497Openstack havana permissions and access controls vulnerabilityThe XenAPI backend in OpenStack Compute (Nova) Folsom, Grizzly, and Havana before 2013.2 does not properly apply security groups (1) when resizing an…EPSS 1.8%6.0CVE-2014-0167Openstack compute permissions and access controls vulnerabilityThe Nova EC2 API security group implementation in OpenStack Compute (Nova) 2013.1 before 2013.2.4 and icehouse before icehouse-rc2 does not enforce R…EPSS 1.6%

Source: NIST National Vulnerability Database (record CVE-2013-2030), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.