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/.

Published: 2014-08-25 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-5252 is rated Moderate Risk (45.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.52%). EPSS rose +1.23% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2014-5252

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.29% 1.52% +1.23%
2 2025-05-10 0.25% 0.29% +0.04%
3 2025-03-30 — 0.25% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-5252

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.9 2.0 MEDIUM
AV:N/AC:M/Au:S/C:P/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 6.8 4.9 [email protected]

Weakness enumeration for CVE-2014-5252

GitHub Security Advisory for CVE-2014-5252

GHSA-v8fq-gq9j-3v7h · Severity: high · Ecosystem: pip — OpenStack Identity (Keystone) UUID v2 tokens does not expire with revocation events

OS Trackers for CVE-2014-5252

vendor priority summary link
debian not yet assigned CVE-2014-5252 not yet assigned priority: Debian including 1 source packages (keystone), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2014-5252
redhat low — https://access.redhat.com/security/cve/CVE-2014-5252
ubuntu medium CVE-2014-5252 medium priority: Ubuntu including 1 source packages (keystone), 4 status rows across 4 suites (lucid, precise, trusty, upstream): released 2, DNE 1, not-affected 1. https://ubuntu.com/security/CVE-2014-5252

Affected software / configurations for CVE-2014-5252

Vendor Product Version Raw CPE
openstack keystone 2014.1 cpe:2.3:a:openstack:keystone:2014.1:*:*:*:*:*:*:*
openstack keystone 2014.1.2 cpe:2.3:a:openstack:keystone:2014.1.2:*:*:*:*:*:*:*
openstack keystone juno-1 cpe:2.3:a:openstack:keystone:juno-1:*:*:*:*:*:*:*
openstack keystone juno-2 cpe:2.3:a:openstack:keystone:juno-2:*:*:*:*:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*

References for CVE-2014-5252

cvelogic Threat Intelligence