CVE-2026-54213

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54213", "assignerOrgId": "455daabc-a392-441d-aa46-37d35189897c", "state": "PUBLISHED", "assignerShortName": "NCSC.ch", "dateReserved": "2026-06-12T09:32:46.514Z", "datePublished": "2026-08-07T09:47:34.613Z", "dateUpdated": "2026-09-07T12:59:55.983Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "455daabc-a392-441d-aa46-37d35189897c", "shortName": "NCSC.ch", "dateUpdated": "2026-09-07T12:59:55.983Z"}, "title": "TeamDavid: Denial of Service via endpoint 'internalRestart'", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-284", "description": "CWE-284 Improper Access Control", "type": "CWE"}]}], "affected": [{"vendor": "Tobit Laboratories AG", "product": "TeamDavid", "modules": ["Webbox"], "versions": [{"status": "affected", "version": "0", "lessThan": "Rollout 528", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Tobit Laboratories AG TeamDavid's Webbox application exposes a functionality that allows the server to be \nshut down when a specific endpoint (/internalRestart) is accessed. This \nendpoint is accessible to unauthenticated users over the public \nInternet. Instead of \u201crestarting\u201d, the server shuts completely down. As a\n result, a remote attacker can trigger a persistent denial of service by\n shutting down the web server without requiring authentication. Recovery\n requires manual administrator intervention to restart the service.\u00a0This issue affects TeamDavid before Rollout 528.\n\nStarting with Rollout 528 (June 30, 2026), the affected functionality is disabled by default and the vulnerabilities are therefore no longer exposed through this functionality.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Tobit Laboratories AG TeamDavid's Webbox application exposes a functionality that allows the server to be \nshut down when a specific endpoint (/internalRestart) is accessed. This \nendpoint is accessible to unauthenticated users over the public \nInternet. Instead of \u201crestarting\u201d, the server shuts completely down. As a\n result, a remote attacker can trigger a persistent denial of service by\n shutting down the web server without requiring authentication. Recovery\n requires manual administrator intervention to restart the service.&nbsp;<div><div><span>This issue affects TeamDavid before Rollout 528.</span></div><div><span>Starting with Rollout 528 (June 30, 2026), the affected functionality is disabled by default and the vulnerabilities are therefore no longer exposed through this functionality.</span></div></div>"}]}], "references": [{"url": "https://chayns.net/77892-10814/tapp/763210?postId=11454", "tags": ["release-notes"]}, {"url": "https://labs.infoguard.ch/posts/22-cves-in-david-a-secure-m365-alternative/", "tags": ["third-party-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "CRITICAL", "baseScore": 9.2, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H"}}], "credits": [{"lang": "en", "value": "Dario Weiss of InfoGuard Labs", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}, "adp": [{"references": [{"url": "https://labs.infoguard.ch/posts/22-cves-in-david-a-secure-m365-alternative/", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-07T13:16:49.553112Z", "id": "CVE-2026-54213", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"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": "2026-08-07T13:17:54.047Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-54213", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-07T13:16:49.553112Z"}}}], "references": [{"url": "https://labs.infoguard.ch/posts/22-cves-in-david-a-secure-m365-alternative/", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-07T13:17:47.557Z"}}], "cna": {"title": "TeamDavid: Denial of Service via endpoint 'internalRestart'", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "Dario Weiss of InfoGuard Labs"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 9.2, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Tobit Laboratories AG", "modules": ["Webbox"], "product": "TeamDavid", "versions": [{"status": "affected", "version": "0", "lessThan": "Rollout 528", "versionType": "custom"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://chayns.net/77892-10814/tapp/763210?postId=11454", "tags": ["release-notes"]}, {"url": "https://labs.infoguard.ch/posts/22-cves-in-david-a-secure-m365-alternative/", "tags": ["third-party-advisory"]}], "x_generator": {"engine": "Vulnogram 1.0.2"}, "descriptions": [{"lang": "en", "value": "Tobit Laboratories AG TeamDavid's Webbox application exposes a functionality that allows the server to be \nshut down when a specific endpoint (/internalRestart) is accessed. This \nendpoint is accessible to unauthenticated users over the public \nInternet. Instead of \u201crestarting\u201d, the server shuts completely down. As a\n result, a remote attacker can trigger a persistent denial of service by\n shutting down the web server without requiring authentication. Recovery\n requires manual administrator intervention to restart the service.\u00a0This issue affects TeamDavid before Rollout 528.\n\nStarting with Rollout 528 (June 30, 2026), the affected functionality is disabled by default and the vulnerabilities are therefore no longer exposed through this functionality.", "supportingMedia": [{"type": "text/html", "value": "Tobit Laboratories AG TeamDavid's Webbox application exposes a functionality that allows the server to be \nshut down when a specific endpoint (/internalRestart) is accessed. This \nendpoint is accessible to unauthenticated users over the public \nInternet. Instead of \u201crestarting\u201d, the server shuts completely down. As a\n result, a remote attacker can trigger a persistent denial of service by\n shutting down the web server without requiring authentication. Recovery\n requires manual administrator intervention to restart the service.&nbsp;<div><div><span>This issue affects TeamDavid before Rollout 528.</span></div><div><span>Starting with Rollout 528 (June 30, 2026), the affected functionality is disabled by default and the vulnerabilities are therefore no longer exposed through this functionality.</span></div></div>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-284", "description": "CWE-284 Improper Access Control"}]}], "providerMetadata": {"orgId": "455daabc-a392-441d-aa46-37d35189897c", "shortName": "NCSC.ch", "dateUpdated": "2026-09-07T12:59:55.983Z"}}}, "cveMetadata": {"cveId": "CVE-2026-54213", "state": "PUBLISHED", "dateUpdated": "2026-09-07T12:59:55.983Z", "dateReserved": "2026-06-12T09:32:46.514Z", "assignerOrgId": "455daabc-a392-441d-aa46-37d35189897c", "datePublished": "2026-08-07T09:47:34.613Z", "assignerShortName": "NCSC.ch"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "modules": ["Webbox"], "product": "TeamDavid", "vendor": "Tobit Laboratories AG", "versions": [{"lessThan": "Rollout 528", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "vulnerability@ncsc.ch"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Tobit Laboratories AG TeamDavid's Webbox application exposes a functionality that allows the server to be \nshut down when a specific endpoint (/internalRestart) is accessed. This \nendpoint is accessible to unauthenticated users over the public \nInternet. Instead of \u201crestarting\u201d, the server shuts completely down. As a\n result, a remote attacker can trigger a persistent denial of service by\n shutting down the web server without requiring authentication. Recovery\n requires manual administrator intervention to restart the service.\u00a0This issue affects TeamDavid before Rollout 528.\n\nStarting with Rollout 528 (June 30, 2026), the affected functionality is disabled by default and the vulnerabilities are therefore no longer exposed through this functionality."}, {"lang": "es", "value": "La aplicaci\u00f3n Webbox de TeamDavid de Tobit Laboratories AG expone una funcionalidad que permite apagar el servidor cuando se accede a un endpoint espec\u00edfico (/internalRestart). Este endpoint es accesible para usuarios no autenticados a trav\u00e9s de Internet p\u00fablico. En lugar de \u2019reiniciar\u2019, el servidor se apaga completamente. Como resultado, un atacante remoto puede desencadenar una denegaci\u00f3n de servicio persistente al apagar el servidor web sin requerir autenticaci\u00f3n. La recuperaci\u00f3n requiere intervenci\u00f3n manual del administrador para reiniciar el servicio. Este problema afecta a TeamDavid hasta el Rollout 524."}], "id": "CVE-2026-54213", "lastModified": "2026-10-24T16:10:00.153", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.2, "baseSeverity": "CRITICAL", "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": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/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": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "vulnerability@ncsc.ch", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-54213", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-07T13:16:49.553112Z", "version": "2.0.3"}}]}, "published": "2026-08-07T10:16:58.500", "references": [{"source": "vulnerability@ncsc.ch", "url": "https://chayns.net/77892-10814/tapp/763210?postId=11454"}, {"source": "vulnerability@ncsc.ch", "url": "https://labs.infoguard.ch/posts/22-cves-in-david-a-secure-m365-alternative/"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://labs.infoguard.ch/posts/22-cves-in-david-a-secure-m365-alternative/"}], "sourceIdentifier": "vulnerability@ncsc.ch", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "vulnerability@ncsc.ch", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,Rollout 524]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "TeamDavid", "source": "cna", "vendor": "Tobit Laboratories AG"}, "product": "teamdavid", "vendor": "tobit_laboratories_ag"}], "created": "2026-08-07T11:20:04.724139+00:00", "updated": "2026-09-07T15:15:17.145300+00:00", "vendors": ["tobit_laboratories_ag", "tobit_laboratories_ag$PRODUCT$teamdavid"]}