How severe is CVE-2014-5252?

CVE-2014-5252 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2014-5252 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-5252?

CVE-2014-5252 primarily affects Openstack Keystone. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-5252?

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

When was CVE-2014-5252 published?

CVE-2014-5252 was published on 2014-08-25 and last updated on 2026-06-17.

CVE-2014-5252

CVE-2014-5252 is a medium-severity vulnerability in Openstack Keystone with a CVSS 2.0 base score of 4.9. 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-255.

Key facts

Severity: Medium (CVSS 2.0 base score 4.9)
EPSS exploit prediction: 2% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-255
Affected product: Openstack Keystone
Published: 2014-08-25
Last modified: 2026-06-17

Description

The V3 API in OpenStack Identity (Keystone) 2014.1.x before 2014.1.2.1 and Juno before Juno-3 updates the issued_at value for UUID v2 tokens, which allows remote authenticated users to bypass the token expiration and retain access via a verification (1) GET or (2) HEAD request to v3/auth/tokens/.

Frequently asked questions

What is CVE-2014-5252?: The V3 API in OpenStack Identity (Keystone) 2014.1.x before 2014.1.2.1 and Juno before Juno-3 updates the issued_at value for UUID v2 tokens, which allows remote authenticated users to bypass the token expiration and retain access via a verification (1) GET or (2) HEAD request to v3/auth/tokens/.
How severe is CVE-2014-5252?: CVE-2014-5252 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2014-5252 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-5252?: CVE-2014-5252 primarily affects Openstack Keystone. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-5252?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-5252 published?: CVE-2014-5252 was published on 2014-08-25 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:openstack:keystone:2014.1:*:*:*:*:*:*:*
cpe:2.3:a:openstack:keystone:2014.1.2:*:*:*:*:*:*:*
cpe:2.3:a:openstack:keystone:juno-1:*:*:*:*:*:*:*
cpe:2.3:a:openstack:keystone:juno-2:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*

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