CVE-2025-15561— Local Privilege Escalation in NesterSoft WorkTime
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I. Basic Information for CVE-2025-15561
Vulnerability Information
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Vulnerability Title
Local Privilege Escalation in NesterSoft WorkTime
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权管理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
NesterSoft WorkTime 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NesterSoft WorkTime是加拿大NesterSoft公司的一个项目跟踪软件。 NesterSoft WorkTime存在安全漏洞，该漏洞源于监控守护进程更新行为存在缺陷，可能导致本地权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| NesterSoft Inc. | WorkTime (on-prem/cloud) | <= 11.8.8 | - |
II. Public POCs for CVE-2025-15561
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · NesterSoft Inc. · 2026-02-19 · 5 CVEs total
| CVE-2025-15562 | Reflected Cross-Site Scripting in NesterSoft WorkTime | |
| CVE-2025-15563 | Broken Access Control results in Denial of Service in NesterSoft WorkTime | |
| CVE-2025-15559 | Unauthenticated OS Command Injection in NesterSoft WorkTime | |
| CVE-2025-15560 | SQL Injection in NesterSoft WorkTime |
IV. Related Vulnerabilities
Same product: WorkTime (on-prem/cloud)
Same weakness: CWE-269
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V. Comments for CVE-2025-15561
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