{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-3986", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2025-04-26T08:07:08.619Z", "datePublished": "2025-04-27T21:00:07.694Z", "dateUpdated": "2025-04-28T17:38:45.562Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2025-04-27T21:00:07.694Z"}, "title": "Apereo CAS CasConfigurationMetadataServerController.java redos", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-1333", "lang": "en", "description": "Inefficient Regular Expression Complexity"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-400", "lang": "en", "description": "Resource Consumption"}]}], "affected": [{"vendor": "Apereo", "product": "CAS", "versions": [{"version": "5.2.6", "status": "affected"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Apereo CAS 5.2.6. It has been declared as problematic. This vulnerability affects unknown code of the file cas-5.2.6\\core\\cas-server-core-configuration-metadata-repository\\src\\main\\java\\org\\apereo\\cas\\metadata\\rest\\CasConfigurationMetadataServerController.java. The manipulation of the argument Name leads to inefficient regular expression complexity. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."}, {"lang": "de", "value": "In Apereo CAS 5.2.6 wurde eine Schwachstelle ausgemacht. Sie wurde als problematisch eingestuft. Betroffen ist eine unbekannte Verarbeitung der Datei cas-5.2.6\\core\\cas-server-core-configuration-metadata-repository\\src\\main\\java\\org\\apereo\\cas\\metadata\\rest\\CasConfigurationMetadataServerController.java. Mittels dem Manipulieren des Arguments Name mit unbekannten Daten kann eine inefficient regular expression complexity-Schwachstelle ausgenutzt werden. Der Angriff kann \u00fcber das Netzwerk passieren. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 4.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 4.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 4, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}], "timeline": [{"time": "2025-04-26T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2025-04-26T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2025-04-26T10:12:16.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "caichaoxiong (VulDB User)", "type": "reporter"}], "references": [{"url": "https://vuldb.com/?id.306322", "name": "VDB-306322 | Apereo CAS CasConfigurationMetadataServerController.java redos", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/?ctiid.306322", "name": "VDB-306322 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/?submit.557473", "name": "Submit #557473 | Apereo CAS v5.2.6 ReDos Denial of Service", "tags": ["third-party-advisory"]}, {"url": "https://wx.mail.qq.com/s?k=rk-m8GwRMVMcOjBY1a", "tags": ["exploit"]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-04-28T17:34:50.472484Z", "id": "CVE-2025-3986", "options": [{"Exploitation": "none"}, {"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": "2025-04-28T17:38:45.562Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Apereo CAS 5.2.6. It has been declared as problematic. This vulnerability affects unknown code of the file cas-5.2.6\\core\\cas-server-core-configuration-metadata-repository\\src\\main\\java\\org\\apereo\\cas\\metadata\\rest\\CasConfigurationMetadataServerController.java. The manipulation of the argument Name leads to inefficient regular expression complexity. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en Apereo CAS 5.2.6. Se ha declarado problem\u00e1tica. Esta vulnerabilidad afecta al c\u00f3digo desconocido del archivo cas-5.2.6\\core\\cas-server-core-configuration-metadata-repository\\src\\main\\java\\org\\apereo\\cas\\metadata\\rest\\CasConfigurationMetadataServerController.java. La manipulaci\u00f3n del argumento Name genera una complejidad ineficiente en las expresiones regulares. El ataque puede iniciarse remotamente. Se ha hecho p\u00fablico el exploit y puede que sea utilizado. Se contact\u00f3 al proveedor con antelaci\u00f3n para informarle sobre esta divulgaci\u00f3n, pero no respondi\u00f3."}], "id": "CVE-2025-3986", "lastModified": "2025-04-29T13:52:10.697", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "cna@vuldb.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}]}, "published": "2025-04-27T21:15:16.943", "references": [{"source": "cna@vuldb.com", "url": "https://vuldb.com/?ctiid.306322"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/?id.306322"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/?submit.557473"}, {"source": "cna@vuldb.com", "url": "https://wx.mail.qq.com/s?k=rk-m8GwRMVMcOjBY1a"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}, {"lang": "en", "value": "CWE-1333"}], "source": "cna@vuldb.com", "type": "Primary"}]}

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