{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-3597", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2023-07-10T17:01:10.485Z", "datePublished": "2024-04-25T12:20:11.606Z", "dateUpdated": "2025-08-30T04:39:24.451Z"}, "containers": {"cna": {"title": "Keycloak: secondary factor bypass in step-up authentication", "metrics": [{"other": {"content": {"value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in Keycloak, where it does not correctly validate its client step-up authentication in org.keycloak.authentication. This flaw allows a remote user authenticated with a password to register a false second authentication factor along with an existing one and bypass authentication."}], "affected": [{"versions": [{"status": "affected", "version": "0", "lessThan": "22.0.10", "versionType": "semver"}, {"status": "affected", "version": "23.0.0", "lessThan": "24.0.3", "versionType": "semver"}], "packageName": "keycloak", "collectionURL": "https://www.keycloak.org/", "defaultStatus": "unaffected"}, {"vendor": "Red Hat", "product": "Red Hat build of Keycloak 22", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "rhbk/keycloak-operator-bundle", "defaultStatus": "affected", "versions": [{"version": "22.0.10-1", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:build_keycloak:22::el9"]}, {"vendor": "Red Hat", "product": "Red Hat build of Keycloak 22", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "rhbk/keycloak-rhel9", "defaultStatus": "affected", "versions": [{"version": "22-13", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:build_keycloak:22::el9"]}, {"vendor": "Red Hat", "product": "Red Hat build of Keycloak 22", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "rhbk/keycloak-rhel9-operator", "defaultStatus": "affected", "versions": [{"version": "22-16", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:build_keycloak:22::el9"]}, {"vendor": "Red Hat", "product": "Red Hat build of Keycloak 22.0.10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected", "packageName": "keycloak", "cpes": ["cpe:/a:redhat:build_keycloak:22"]}, {"vendor": "Red Hat", "product": "RHSSO 7.6.8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:red_hat_single_sign_on:7.6"]}], "references": [{"url": "https://access.redhat.com/errata/RHSA-2024:1866", "name": "RHSA-2024:1866", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2024:1867", "name": "RHSA-2024:1867", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2024:1868", "name": "RHSA-2024:1868", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/security/cve/CVE-2023-3597", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2221760", "name": "RHBZ#2221760", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2024-04-15T00:00:00.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-287", "description": "Improper Authentication", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-287: Improper Authentication", "timeline": [{"lang": "en", "time": "2023-07-10T00:00:00+00:00", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2024-04-15T00:00:00+00:00", "value": "Made public."}], "credits": [{"lang": "en", "value": "Red Hat would like to thank Johannes Bergmann (Bosch) for reporting this issue."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2025-08-30T04:39:24.451Z"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-3597", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-05-02T15:08:53.952771Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:17:32.549Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T07:01:56.985Z"}, "title": "CVE Program Container", "references": [{"url": "https://access.redhat.com/errata/RHSA-2024:1867", "name": "RHSA-2024:1867", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://access.redhat.com/errata/RHSA-2024:1868", "name": "RHSA-2024:1868", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://access.redhat.com/security/cve/CVE-2023-3597", "tags": ["vdb-entry", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2221760", "name": "RHBZ#2221760", "tags": ["issue-tracking", "x_refsource_REDHAT", "x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://access.redhat.com/errata/RHSA-2024:1867", "name": "RHSA-2024:1867", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://access.redhat.com/errata/RHSA-2024:1868", "name": "RHSA-2024:1868", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://access.redhat.com/security/cve/CVE-2023-3597", "tags": ["vdb-entry", "x_refsource_REDHAT", "x_transferred"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2221760", "name": "RHBZ#2221760", "tags": ["issue-tracking", "x_refsource_REDHAT", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T07:01:56.985Z"}}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-3597", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-05-02T15:08:53.952771Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-02T15:09:07.467Z"}, "title": "CISA ADP Vulnrichment"}], "cna": {"title": "Keycloak: secondary factor bypass in step-up authentication", "credits": [{"lang": "en", "value": "Red Hat would like to thank Johannes Bergmann (Bosch) for reporting this issue."}], "metrics": [{"other": {"type": "Red Hat severity rating", "content": {"value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/"}}}, {"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}}], "affected": [{"versions": [{"status": "affected", "version": "0", "lessThan": "22.0.10", "versionType": "semver"}, {"status": "affected", "version": "23.0.0", "lessThan": "24.0.3", "versionType": "semver"}], "packageName": "keycloak", "collectionURL": "https://www.keycloak.org/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:build_keycloak:22::el9"], "vendor": "Red Hat", "product": "Red Hat build of Keycloak 22", "versions": [{"status": "unaffected", "version": "22.0.10-1", "lessThan": "*", "versionType": "rpm"}], "packageName": "rhbk/keycloak-operator-bundle", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:build_keycloak:22::el9"], "vendor": "Red Hat", "product": "Red Hat build of Keycloak 22", "versions": [{"status": "unaffected", "version": "22-13", "lessThan": "*", "versionType": "rpm"}], "packageName": "rhbk/keycloak-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:build_keycloak:22::el9"], "vendor": "Red Hat", "product": "Red Hat build of Keycloak 22", "versions": [{"status": "unaffected", "version": "22-16", "lessThan": "*", "versionType": "rpm"}], "packageName": "rhbk/keycloak-rhel9-operator", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:build_keycloak:22"], "vendor": "Red Hat", "product": "Red Hat build of Keycloak 22.0.10", "packageName": "keycloak", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:red_hat_single_sign_on:7.6"], "vendor": "Red Hat", "product": "RHSSO 7.6.8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}], "timeline": [{"lang": "en", "time": "2023-07-10T00:00:00+00:00", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2024-04-15T00:00:00+00:00", "value": "Made public."}], "datePublic": "2024-04-15T00:00:00.000Z", "references": [{"url": "https://access.redhat.com/errata/RHSA-2024:1866", "name": "RHSA-2024:1866", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2024:1867", "name": "RHSA-2024:1867", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2024:1868", "name": "RHSA-2024:1868", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/security/cve/CVE-2023-3597", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2221760", "name": "RHBZ#2221760", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "descriptions": [{"lang": "en", "value": "A flaw was found in Keycloak, where it does not correctly validate its client step-up authentication in org.keycloak.authentication. This flaw allows a remote user authenticated with a password to register a false second authentication factor along with an existing one and bypass authentication."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-287", "description": "Improper Authentication"}]}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2025-08-30T04:39:24.451Z"}, "x_redhatCweChain": "CWE-287: Improper Authentication"}}, "cveMetadata": {"cveId": "CVE-2023-3597", "state": "PUBLISHED", "dateUpdated": "2025-08-30T04:39:24.451Z", "dateReserved": "2023-07-10T17:01:10.485Z", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "datePublished": "2024-04-25T12:20:11.606Z", "assignerShortName": "redhat"}, "dataVersion": "5.1"}

{"descriptions": [{"lang": "en", "value": "A flaw was found in Keycloak, where it does not correctly validate its client step-up authentication in org.keycloak.authentication. This flaw allows a remote user authenticated with a password to register a false second authentication factor along with an existing one and bypass authentication."}, {"lang": "es", "value": "Se encontr\u00f3 una falla en Keycloak, donde no valida correctamente la autenticaci\u00f3n incremental de su cliente en org.keycloak.authentication. Esta falla permite que un usuario remoto autenticado con una contrase\u00f1a registre un segundo factor de autenticaci\u00f3n falso junto con uno existente y omita la autenticaci\u00f3n."}], "id": "CVE-2023-3597", "lastModified": "2024-11-21T08:17:38.007", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 3.4, "source": "secalert@redhat.com", "type": "Secondary"}]}, "published": "2024-04-25T13:15:50.523", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:1866"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:1867"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:1868"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2023-3597"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2221760"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:1867"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:1868"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/security/cve/CVE-2023-3597"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2221760"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank Johannes Bergmann (Bosch) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2024:1867", "cpe": "cpe:/a:redhat:build_keycloak:22::el9", "package": "rhbk/keycloak-operator-bundle:22.0.10-1", "product_name": "Red Hat build of Keycloak 22", "release_date": "2024-04-16T00:00:00Z"}, {"advisory": "RHSA-2024:1867", "cpe": "cpe:/a:redhat:build_keycloak:22::el9", "package": "rhbk/keycloak-rhel9:22-13", "product_name": "Red Hat build of Keycloak 22", "release_date": "2024-04-16T00:00:00Z"}, {"advisory": "RHSA-2024:1867", "cpe": "cpe:/a:redhat:build_keycloak:22::el9", "package": "rhbk/keycloak-rhel9-operator:22-16", "product_name": "Red Hat build of Keycloak 22", "release_date": "2024-04-16T00:00:00Z"}, {"advisory": "RHSA-2024:1868", "cpe": "cpe:/a:redhat:build_keycloak:22", "package": "keycloak", "product_name": "Red Hat build of Keycloak 22.0.10", "release_date": "2024-04-16T00:00:00Z"}, {"advisory": "RHSA-2024:1866", "cpe": "cpe:/a:redhat:red_hat_single_sign_on:7.6", "product_name": "RHSSO 7.6.8", "release_date": "2024-04-16T00:00:00Z"}], "bugzilla": {"description": "keycloak: secondary factor bypass in step-up authentication", "id": "2221760", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2221760"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.0", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L", "status": "verified"}, "cwe": "CWE-287", "details": ["A flaw was found in Keycloak, where it does not correctly validate its client step-up authentication in org.keycloak.authentication. This flaw allows a remote user authenticated with a password to register a false second authentication factor along with an existing one and bypass authentication.", "A flaw was found in Keycloak, where it does not correctly validate its client step-up authentication in org.keycloak.authentication. This flaw allows a remote user authenticated with a password to register a false second authentication factor along with an existing one and bypass authentication."], "name": "CVE-2023-3597", "public_date": "2024-04-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-3597\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-3597"], "statement": "Note that exploitation of this flaw requires several factors to be successful. The attacker must already have valid credentials within the system, without which there is no vulnerability, and the application must be configured to use the step-up flow, which is the only aspect of authentication bypassed by this flaw; the name and password restriction function as expected. Further, the impact effects of this flaw are limited to user-level and do not affect the system as a whole. For this reason, Red Hat Product Security has assessed this flaw to be Moderate security impact.", "threat_severity": "Moderate"}

{}