CVE-2012-5571

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This vulnerability allows remote authenticated users to bypass intended authorization restrictions. This occurs because OpenStack Keystone does not properly handle EC2 (Elastic Compute Cloud) tokens when a user's role has been removed from a tenant. An attacker can leverage a token associated with a removed user role to gain unauthorized access."}, {"lang": "es", "value": "OpenStack Keystone Essex (2012.1) and Folsom (2012.2) no controlan correctamente los token EC2 cuando la funci\u00f3n de usuario se ha eliminado de un inquilino, lo que permite a usuarios autenticados remotamente eludir las restricciones previstas al aprovechar un token para la funci\u00f3n de usuario eliminado."}], "id": "CVE-2012-5571", "lastModified": "2026-10-30T19:17:25.990", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 3.5, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, 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{"acknowledgement": "Red Hat would like to thank OpenStack project for reporting this issue. Upstream acknowledges Vijaya Erukala as the original reporter.", "affected_release": [{"advisory": "RHSA-2012:1556", "cpe": "cpe:/a:redhat:openstack:1::el6", "package": "openstack-keystone-0:2012.1.3-3.el6", "product_name": "OpenStack Essex for RHEL 6", "release_date": "2012-12-10T00:00:00Z"}, {"advisory": "RHSA-2012:1557", "cpe": "cpe:/a:redhat:openstack:2::el6", "package": "openstack-keystone-0:2012.2.1-1.el6ost", "product_name": "OpenStack Folsom for RHEL 6", "release_date": "2012-12-10T00:00:00Z"}], "bugzilla": {"description": "OpenStack: Keystone EC2-style credentials invalidation issue", "id": "880399", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=880399"}, "csaw": false, "cvss": {"cvss_base_score": "4.0", "cvss_scoring_vector": "AV:N/AC:L/Au:S/C:N/I:P/A:N", "status": "verified"}, "details": ["OpenStack Keystone Essex (2012.1) and Folsom (2012.2) does not properly handle EC2 tokens when the user role has been removed from a tenant, which allows remote authenticated users to bypass intended authorization restrictions by leveraging a token for the removed user role."], "name": "CVE-2012-5571", "package_state": [{"cpe": "cpe:/a:redhat:openstack:2.0", "fix_state": "Affected", "package_name": "openstack-keystone", "product_name": "Red Hat OpenStack Platform 2.0"}], "public_date": "2012-11-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-5571\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-5571\nhttps://bugs.launchpad.net/keystone/+bug/1064914"], "threat_severity": "Moderate"}

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