Is CVE-2014-5252 in the CISA KEV catalog?

No. CVE-2014-5252 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-5252?

CVE-2014-5252 has a CVSS v2 base score of 4.9 (MEDIUM).

What is the EPSS score for CVE-2014-5252?

CVE-2014-5252 has an EPSS score of 1.52% (71th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2014-5252?

Upgrade keystone on debian 11 to 2014.1.2.1-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2014-5252

MEDIUMEPSS 71th pctl

4.9

CVSS v2

NVD

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/.

CWE-255

How to fix

Remediation Available

keystoneDebian

Fixed in:2014.1.2.1-1CVE-2014-5252

keystoneUbuntu

Fixed in:1:2014.1.2.1-0ubuntu1.1USN-2324-1

python-keystoneUbuntu

Fixed in:1:2014.1.2.1-0ubuntu1.1USN-2324-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

1.52%probability of exploitation in 30 days

71stpercentile

Elevated risk: more likely to be exploited than 71% of all known CVEs.

References

Other references5

Related Vulnerabilities

Other CWE-255 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2010-0219	High	10.0	90%	-	-
CVE-2013-4786	High	7.5	82%	-	-
CVE-2014-9195	High	10.0	81%	-	-
CVE-2009-3548	High	7.5	79%	-	-
CVE-2009-4189	High	10.0	79%	-	-
CVE-2017-8229	Critical	9.8	74%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.