CVE-2014-3476

Exp

OpenStack Identity (Keystone) before 2013.2.4, 2014.1 before 2014.1.2, and Juno before Juno-2 does not properly handle chained delegation, which allows remote authenticated users to gain privileges by leveraging a (1) trust or (2) OAuth token with impersonation enabled to create a new token with additional roles.

Published: 2014-06-17 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-3476 is rated High Exploit Risk (69/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.31%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.59% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2014-3476

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2014-3476

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 0.72% 2.31% +1.59%
2 2025-12-14 1.04% 0.72% -0.32%
3 2025-03-30 — 1.04% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-3476

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.0 2.0 MEDIUM
AV:N/AC:M/Au:S/C:P/I:P/A:P 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:P)
Partial availability impact.
 6.8 6.4 [email protected]

Weakness enumeration for CVE-2014-3476

GitHub Security Advisory for CVE-2014-3476

GHSA-274v-r947-v34r · Severity: medium · Ecosystem: pip — OpenStack Identity Keystone is vulnerable to Block delegation escalation of privilege

OS Trackers for CVE-2014-3476

vendor priority summary link
debian not yet assigned CVE-2014-3476 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-2014-3476
redhat high — https://access.redhat.com/security/cve/CVE-2014-3476
ubuntu medium CVE-2014-3476 medium priority: Ubuntu including 1 source packages (keystone), 5 status rows across 5 suites (lucid, precise, saucy, trusty, upstream): released 2, DNE 1, ignored 1, not-affected 1. https://ubuntu.com/security/CVE-2014-3476

Affected software / configurations for CVE-2014-3476

Vendor Product Version Raw CPE
openstack keystone >= 2013.2, < 2013.2.4 cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*
openstack keystone >= 2014.1, < 2014.1.2 cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*
suse cloud 3 cpe:2.3:a:suse:cloud:3:*:*:*:*:*:*:*

References for CVE-2014-3476

URL Tags
http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00031.html Mailing List Third Party Advisory
http://secunia.com/advisories/57886 Third Party Advisory
http://secunia.com/advisories/59547 Third Party Advisory
http://www.openwall.com/lists/oss-security/2014/06/12/3 Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/68026 Third Party Advisory VDB Entry
https://bugs.launchpad.net/keystone/+bug/1324592 Exploit Issue Tracking Third Party Advisory
cvelogic Threat Intelligence