{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-15561", "assignerOrgId": "551230f0-3615-47bd-b7cc-93e92e730bbf", "state": "PUBLISHED", "assignerShortName": "SEC-VLab", "dateReserved": "2026-02-04T07:44:34.747Z", "datePublished": "2026-02-19T10:53:18.501Z", "dateUpdated": "2026-02-23T18:26:47.903Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unknown", "product": "WorkTime (on-prem/cloud)", "vendor": "NesterSoft Inc.", "versions": [{"status": "affected", "version": "<= 11.8.8"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Tobias Niemann, SEC Consult Vulnerability Lab"}, {"lang": "en", "type": "finder", "value": "Daniel Hirschberger, SEC Consult Vulnerability Lab"}, {"lang": "en", "type": "finder", "value": "Thorger Jansen, SEC Consult Vulnerability Lab"}, {"lang": "en", "type": "finder", "value": "Marius Renner, SEC Consult Vulnerability Lab"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>An attacker can exploit the update behavior of the WorkTime monitoring daemon to elevate privileges on the local system to NT Authority\\SYSTEM. A malicious executable must be named&nbsp; WTWatch.exe and dropped in the C:\\ProgramData\\wta\\ClientExe directory, which is writable by \"Everyone\". The executable will then be run by the WorkTime monitoring daemon.<br><br></p>"}], "value": "An attacker can exploit the update behavior of the WorkTime monitoring daemon to elevate privileges on the local system to NT Authority\\SYSTEM. A malicious executable must be named\u00a0 WTWatch.exe and dropped in the C:\\ProgramData\\wta\\ClientExe directory, which is writable by \"Everyone\". The executable will then be run by the WorkTime monitoring daemon."}], "impacts": [{"capecId": "CAPEC-233", "descriptions": [{"lang": "en", "value": "CAPEC-233 Privilege Escalation"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-269", "description": "CWE-269 Improper Privilege Management", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "551230f0-3615-47bd-b7cc-93e92e730bbf", "shortName": "SEC-VLab", "dateUpdated": "2026-02-19T10:53:18.501Z"}, "references": [{"tags": ["third-party-advisory"], "url": "https://r.sec-consult.com/worktime"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "The vendor did not respond to our communication attempts anymore. It is currently as of February 2026 unclear, whether a patch is available. Please contact the vendor to request a patch for the identified critical security issues.<br>"}], "value": "The vendor did not respond to our communication attempts anymore. It is currently as of February 2026 unclear, whether a patch is available. Please contact the vendor to request a patch for the identified critical security issues."}], "source": {"discovery": "EXTERNAL"}, "title": "Local Privilege Escalation in NesterSoft WorkTime", "x_generator": {"engine": "Vulnogram 0.5.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-02-23T18:26:10.960311Z", "id": "CVE-2025-15561", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-23T18:26:47.903Z"}}]}}

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