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CVE-2014-3520

18
FAUCET Score

CVE-2014-3520 describes a vulnerability in OpenStack Identity (Keystone) versions prior to 2013.2.4, 2014.1.2, and Juno-2. This flaw allows authenticated trustees to illicitly access projects for which the trustor possesses specific roles, by manipulating the project ID in a V2 API trust token request. With a CVSS score of 6.5 (medium severity), the attack vector is network-based with low complexity, requiring authentication, and potentially leading to partial confidentiality, integrity, and availability compromise. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2013.2, < 2013.2.4CPE matchmatch criteria
cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*
>= 2014.1, < 2014.1.2CPE matchmatch criteria
cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.5MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.91%
Probability of exploitation in next 30 days
EPSS Percentile
77.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0191 is in the 90th percentile among its peer group of 21,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: OpenStack 3 for RHEL 6Fixed in: openstack-keystone-0:2013.1.5-3.el6ost
View patch
redhatpatch availablevia redhat_api
Product: OpenStack 4 for RHEL 6Fixed in: openstack-keystone-0:2013.2.3-7.el6ost
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)Fixed in: openstack-keystone

Vendor Advisories (1)

redhatCVE-2014-3520Important

openstack-keystone: Keystone V2 trusts privilege escalation through user supplied project id

Jul 2, 2014

References

lists.openstack.org / pipermail/openstack-announce/2014-July/000248.html
PatchVendor Advisory
bugs.launchpad.net / keystone/+bug/1331912
ExploitIssue TrackingThird Party Advisory
secunia.com / advisories/59426
Third Party Advisory