CVE-2021-3563

{"containers": {"cna": {"affected": [{"product": "keystone", "vendor": "n/a", "versions": [{"status": "affected", "version": "Not-known"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in openstack-keystone. Only the first 72 characters of an application secret are verified allowing attackers bypass some password complexity which administrators may be counting on. The highest threat from this vulnerability is to data confidentiality and integrity."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-863", "description": "CWE-863 - Incorrect Authorization", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2024-01-21T23:06:23.893Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://bugs.launchpad.net/ossa/+bug/1901891"}, {"tags": ["x_refsource_MISC"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1962908"}, {"tags": ["x_refsource_MISC"], "url": "https://access.redhat.com/security/cve/CVE-2021-3563"}, {"tags": ["x_refsource_MISC"], "url": "https://security-tracker.debian.org/tracker/CVE-2021-3563"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00007.html"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:01:06.528Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugs.launchpad.net/ossa/+bug/1901891"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1962908"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://access.redhat.com/security/cve/CVE-2021-3563"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://security-tracker.debian.org/tracker/CVE-2021-3563"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00007.html", "tags": ["x_transferred"]}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2021-3563", "datePublished": "2022-08-26T15:25:41.000Z", "dateReserved": "2021-05-21T00:00:00.000Z", "dateUpdated": "2025-02-13T16:28:24.713Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "keystone", "vendor": "n/a", "versions": [{"status": "affected", "version": "Not-known"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*", "matchCriteriaId": "6C97C834-563B-4D40-A01A-FD02975F5372", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:openstack_platform:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "542B31BD-5767-4B33-9201-40548D1223B3", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:openstack_platform:13.0:*:*:*:*:*:*:*", "matchCriteriaId": "C52600BF-9E87-4CD2-91F3-685AFE478C1E", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:openstack_platform:16.1:*:*:*:*:*:*:*", "matchCriteriaId": "DCC81071-B46D-4F5D-AC25-B4A4CCC20C73", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:openstack_platform:16.2:*:*:*:*:*:*:*", "matchCriteriaId": "4B3000D2-35DF-4A93-9FC0-1AD3AB8349B8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in openstack-keystone. Only the first 72 characters of an application secret are verified allowing attackers bypass some password complexity which administrators may be counting on. The highest threat from this vulnerability is to data confidentiality and integrity."}, {"lang": "es", "value": "Se ha encontrado un fallo en openstack-keystone. S\u00f3lo son verificados los primeros 72 caracteres del secreto de una aplicaci\u00f3n, lo que permite a atacantes omitir determinada complejidad de las contrase\u00f1as con la que pueden contar los administradores. La mayor amenaza de esta vulnerabilidad es la confidencialidad e integridad de los datos."}], "id": "CVE-2021-3563", "lastModified": "2026-06-17T04:05:21.040", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-08-26T16:15:08.867", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2021-3563"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory", "VDB Entry"], "url": "https://bugs.launchpad.net/ossa/+bug/1901891"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1962908"}, {"source": "secalert@redhat.com", "url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00007.html"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://security-tracker.debian.org/tracker/CVE-2021-3563"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2021-3563"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory", "VDB Entry"], "url": "https://bugs.launchpad.net/ossa/+bug/1901891"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1962908"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00007.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://security-tracker.debian.org/tracker/CVE-2021-3563"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-863"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Arjen T. Zijlstra for reporting this issue.", "bugzilla": {"description": "Keystone: Verification of application credentials is silently length-limited", "id": "1962908", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1962908"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.4", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-863", "details": ["A flaw was found in openstack-keystone. Only the first 72 characters of an application secret are verified allowing attackers bypass some password complexity which administrators may be counting on. The highest threat from this vulnerability is to data confidentiality and integrity.", "A flaw was found in openstack-keystone. Only the first 72 characters of an application secret are verified allowing attackers bypass some password complexity which administrators may be counting on. The highest threat from this vulnerability is to data confidentiality and integrity."], "name": "CVE-2021-3563", "package_state": [{"cpe": "cpe:/a:redhat:openstack:10", "fix_state": "Out of support scope", "package_name": "openstack-keystone", "product_name": "Red Hat OpenStack Platform 10 (Newton)"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Out of support scope", "package_name": "openstack-keystone", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}, {"cpe": "cpe:/a:redhat:openstack:16.1", "fix_state": "Affected", "package_name": "openstack-keystone", "product_name": "Red Hat OpenStack Platform 16.1"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Will not fix", "package_name": "openstack-keystone", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:openstack:17.0", "fix_state": "Out of support scope", "package_name": "openstack-keystone", "product_name": "Red Hat OpenStack Platform 17.0"}], "public_date": "2021-02-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-3563\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-3563\nhttps://bugs.launchpad.net/ossa/+bug/1901891"], "threat_severity": "Moderate"}

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