CVE-2012-5483

tools/sample_data.sh in OpenStack Keystone 2012.1.3, when access to Amazon Elastic Compute Cloud (Amazon EC2) is configured, uses world-readable permissions for /etc/keystone/ec2rc, which allows local users to obtain access to EC2 services by reading administrative access and secret values from this file.

Published: 2012-12-26 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-5483 is rated Low Risk (17.7/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.34%). Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

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-2012-5483

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 0.05% 0.34% +0.29%
2 2025-03-17 0.04% 0.05% +0.01%
3 2023-03-07 — 0.04% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-5483

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 3.9 2.9 [email protected]

Weakness enumeration for CVE-2012-5483

OS Trackers for CVE-2012-5483

vendor priority summary link
debian unimportant CVE-2012-5483 unimportant 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-2012-5483
redhat low — https://access.redhat.com/security/cve/CVE-2012-5483
ubuntu medium CVE-2012-5483 medium priority: Ubuntu including 1 source packages (keystone), 6 status rows across 6 suites (hardy, lucid, oneiric, precise, quantal, upstream): not-affected 3, DNE 2, needs-triage 1. https://ubuntu.com/security/CVE-2012-5483

Affected software / configurations for CVE-2012-5483

Vendor Product Version Raw CPE
openstack keystone 2012.1.3 cpe:2.3:a:openstack:keystone:2012.1.3:*:*:*:*:*:*:*

References for CVE-2012-5483

cvelogic Threat Intelligence