CVE-2025-56449

{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2025-56449", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2025-10-28T20:24:22.903Z", "dateReserved": "2025-08-17T00:00:00.000Z", "datePublished": "2025-09-29T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2025-09-29T14:11:16.624Z"}, "descriptions": [{"lang": "en", "value": "A security vulnerability was identified in Obsidian Scheduler's REST API 5.0.0 thru 6.3.0. If an account is locked out due to not enrolling in MFA (e.g. after the 7-day enforcement window), the REST API still allows the use of Basic Authentication to authenticate and perform administrative actions. In particular, the default admin account was found to be locked out via the web interface but still usable through the REST API. This allowed creation of a new privileged user, bypassing MFA protections. This undermines the intended security posture of MFA enforcement."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://blog.gregscharf.com/2025/07/11/upcoming-vulnerability-advisory/"}, {"url": "https://blog.gregscharf.com/2025/07/31/obsidian-scheduler-access-control-vulnerability/"}, {"url": "https://wiki.obsidianscheduler.com/docs/Release_Notes#Obsidian_6.3.1"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-290", "lang": "en", "description": "CWE-290 Authentication Bypass by Spoofing"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-09-29T15:40:09.687082Z", "id": "CVE-2025-56449", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-28T20:24:22.903Z"}}]}, "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2025-56449", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-09-29T15:40:09.687082Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-290", "description": "CWE-290 Authentication Bypass by Spoofing"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-28T20:24:16.690Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "https://blog.gregscharf.com/2025/07/11/upcoming-vulnerability-advisory/"}, {"url": "https://blog.gregscharf.com/2025/07/31/obsidian-scheduler-access-control-vulnerability/"}, {"url": "https://wiki.obsidianscheduler.com/docs/Release_Notes#Obsidian_6.3.1"}], "descriptions": [{"lang": "en", "value": "A security vulnerability was identified in Obsidian Scheduler's REST API 5.0.0 thru 6.3.0. If an account is locked out due to not enrolling in MFA (e.g. after the 7-day enforcement window), the REST API still allows the use of Basic Authentication to authenticate and perform administrative actions. In particular, the default admin account was found to be locked out via the web interface but still usable through the REST API. This allowed creation of a new privileged user, bypassing MFA protections. This undermines the intended security posture of MFA enforcement."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2025-09-29T14:11:16.624Z"}}}, "cveMetadata": {"cveId": "CVE-2025-56449", "state": "PUBLISHED", "dateUpdated": "2025-10-28T20:24:22.903Z", "dateReserved": "2025-08-17T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2025-09-29T00:00:00.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A security vulnerability was identified in Obsidian Scheduler's REST API 5.0.0 thru 6.3.0. If an account is locked out due to not enrolling in MFA (e.g. after the 7-day enforcement window), the REST API still allows the use of Basic Authentication to authenticate and perform administrative actions. In particular, the default admin account was found to be locked out via the web interface but still usable through the REST API. This allowed creation of a new privileged user, bypassing MFA protections. This undermines the intended security posture of MFA enforcement."}, {"lang": "es", "value": "Una vulnerabilidad de seguridad fue identificada en la API REST de Obsidian Scheduler de la versi\u00f3n 5.0.0 a la 6.3.0. Si una cuenta est\u00e1 bloqueada debido a no haberse inscrito en MFA (por ejemplo, despu\u00e9s del per\u00edodo de aplicaci\u00f3n de 7 d\u00edas), la API REST a\u00fan permite el uso de Autenticaci\u00f3n B\u00e1sica para autenticar y realizar acciones administrativas. En particular, se encontr\u00f3 que la cuenta de administrador predeterminada estaba bloqueada a trav\u00e9s de la interfaz web pero a\u00fan era utilizable a trav\u00e9s de la API REST. Esto permiti\u00f3 la creaci\u00f3n de un nuevo usuario privilegiado, eludiendo las protecciones de MFA. Esto socava la postura de seguridad prevista de la aplicaci\u00f3n de MFA."}], "id": "CVE-2025-56449", "lastModified": "2026-11-05T23:10:00.150", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-56449", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-09-29T15:40:09.687082Z", "version": "2.0.3"}}]}, "published": "2025-09-29T15:16:08.653", "references": [{"source": "cve@mitre.org", "url": "https://blog.gregscharf.com/2025/07/11/upcoming-vulnerability-advisory/"}, {"source": "cve@mitre.org", "url": "https://blog.gregscharf.com/2025/07/31/obsidian-scheduler-access-control-vulnerability/"}, {"source": "cve@mitre.org", "url": "https://wiki.obsidianscheduler.com/docs/Release_Notes#Obsidian_6.3.1"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-290"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"created": "2025-09-30T08:48:27.065594+00:00", "updated": "2025-09-30T08:48:27.065667+00:00", "vendors": ["obsidian_scheduler", "obsidian_scheduler$PRODUCT$rest_api"]}