CVE-2012-0030

Nova 2011.3 and Essex, when using the OpenStack API, allows remote authenticated users to bypass access restrictions for tenants of other users via an OSAPI request with a modified project_id URI parameter.

Published: 2012-01-13 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2012-0030 is rated Moderate Risk (47.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.76%). Core evidence: EPSS rose +1.21% over the last day, indicating growing attacker interest. Mandatory action: 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-2012-0030

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 0.55% 1.76% +1.21%
2 2025-03-30 0.74% 0.55% -0.19%
3 2025-03-29 0.74%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-0030

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:N/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:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
6.8 4.9 [email protected]

Weakness enumeration for CVE-2012-0030

OS Trackers for CVE-2012-0030

vendor priority summary link
debian not yet assigned CVE-2012-0030 not yet assigned priority: Debian including 1 source packages (nova), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2012-0030
ubuntu medium CVE-2012-0030 medium priority: Ubuntu including 1 source packages (nova), 6 status rows across 6 suites (hardy, lucid, maverick, natty, oneiric, upstream): DNE 2, not-affected 2, needs-triage 1, released 1. https://ubuntu.com/security/CVE-2012-0030

Affected software / configurations for CVE-2012-0030

Vendor Product Version Raw CPE
openstack essex cpe:2.3:a:openstack:essex:*:*:*:*:*:*:*:*
openstack nova 2011.3 cpe:2.3:a:openstack:nova:2011.3:*:*:*:*:*:*:*

References for CVE-2012-0030

cvelogic Threat Intelligence