CVE-2013-6391

Name: CVE-2013-6391
Creator: NVD / NIST
Published: 2013-12-14T17:21:46.663+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.24%

Last modified Jun 17, 2026

CVE-2013-6391 is a vulnerability of currently unknown severity. The ec2tokens API in OpenStack Identity (Keystone) before Havana 2013.2.1 and Icehouse before icehouse-2 does not return a trust-scoped token when one is received, which allows remote trust users to gain privileges by generating EC2 credentials from a trust-scoped token and using them in an ec2tokens API request.. EPSS estimates a 2.24% chance of exploitation in the next 30 days.

Description

The ec2tokens API in OpenStack Identity (Keystone) before Havana 2013.2.1 and Icehouse before icehouse-2 does not return a trust-scoped token when one is received, which allows remote trust users to gain privileges by generating EC2 credentials from a trust-scoped token and using them in an ec2tokens API request.

Metrics

EPSS Probability

2.24%

80.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Openstack	Keystone	>= 2013.2, < 2013.2.1
Canonical	Ubuntu Linux	13.10
Redhat	Openstack	4.0

References

http://rhn.redhat.com/errata/RHSA-2014-0089.htmlThird Party Advisory
http://secunia.com/advisories/56079Third Party Advisory
http://secunia.com/advisories/56154Third Party Advisory
http://www.openwall.com/lists/oss-security/2013/12/11/7Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/64253Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2061-1Third Party Advisory
https://bugs.launchpad.net/keystone/+bug/1242597Exploit, Issue Tracking, Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/89657Third Party Advisory, VDB Entry
http://rhn.redhat.com/errata/RHSA-2014-0089.htmlThird Party Advisory
http://secunia.com/advisories/56079Third Party Advisory
http://secunia.com/advisories/56154Third Party Advisory
http://www.openwall.com/lists/oss-security/2013/12/11/7Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/64253Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2061-1Third Party Advisory
https://bugs.launchpad.net/keystone/+bug/1242597Exploit, Issue Tracking, Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/89657Third Party Advisory, VDB Entry

Timeline

Published: Dec 14, 2013
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2013-6391?

How severe is CVE-2013-6391?

Severity scoring for CVE-2013-6391 is pending analysis. The EPSS model estimates a 2.24% probability of exploitation in the next 30 days.

How do I fix CVE-2013-6391?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2013-6391?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST