{
    "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  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"
                }
            }
        ]
    }
}