How severe is CVE-2014-3520?

CVE-2014-3520 has a CVSS 2.0 base score of 6.5, rated medium severity.

Is CVE-2014-3520 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-3520?

CVE-2014-3520 affects Openstack Keystone. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-3520?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-3520 published?

CVE-2014-3520 was published on 2014-10-26 and last updated on 2026-06-17.

CVE-2014-3520

CVE-2014-3520 is a medium-severity vulnerability in Openstack Keystone with a CVSS 2.0 base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: Medium (CVSS 2.0 base score 6.5)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Openstack Keystone
Published: 2014-10-26
Last modified: 2026-06-17

Description

OpenStack Identity (Keystone) before 2013.2.4, 2014.x before 2014.1.2, and Juno before Juno-2 allows remote authenticated trustees to gain access to an unauthorized project for which the trustor has certain roles via the project ID in a V2 API trust token request.

Frequently asked questions

What is CVE-2014-3520?: OpenStack Identity (Keystone) before 2013.2.4, 2014.x before 2014.1.2, and Juno before Juno-2 allows remote authenticated trustees to gain access to an unauthorized project for which the trustor has certain roles via the project ID in a V2 API trust token request.
How severe is CVE-2014-3520?: CVE-2014-3520 has a CVSS 2.0 base score of 6.5, rated medium severity.
Is CVE-2014-3520 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-3520?: CVE-2014-3520 affects Openstack Keystone. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-3520?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-3520 published?: CVE-2014-3520 was published on 2014-10-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*

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