{"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": "2026-08-07T09:47:34.613Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "455daabc-a392-441d-aa46-37d35189897c", "shortName": "NCSC.ch", "dateUpdated": "2026-08-07T09:47:34.613Z"}, "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", "lessThanOrEqual": "Rollout 524", "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 through Rollout 524.", "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. This issue affects TeamDavid through Rollout 524."}]}], "references": [{"url": "https://david.tobit.software/releasenotes", "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"}}}}

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{"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": "2026-08-07T11:30:03.845138+00:00", "vendors": ["tobit_laboratories_ag", "tobit_laboratories_ag$PRODUCT$teamdavid"]}