CVE-2025-15559— Unauthenticated OS Command Injection in NesterSoft WorkTime
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I. Basic Information for CVE-2025-15559
Vulnerability Information
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Vulnerability Title
Unauthenticated OS Command Injection in NesterSoft WorkTime
Source: NVD (National Vulnerability Database)
Vulnerability Description
An unauthenticated attacker can inject OS commands when calling a server API endpoint in NesterSoft WorkTime. The server API call to generate and download the WorkTime client from the WorkTime server is vulnerable in the “guid” parameter. This allows an attacker to execute arbitrary commands on the WorkTime server as NT Authority\SYSTEM with the highest privileges. Attackers are able to access or manipulate sensitive data and take over the whole server.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
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，该漏洞源于服务器API端点guid参数存在OS命令注入，可能导致执行任意命令。
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-2025-15559
| # | 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-2025-15561 | Local Privilege Escalation in NesterSoft WorkTime | |
| CVE-2025-15563 | Broken Access Control results in Denial of Service in NesterSoft WorkTime | |
| CVE-2025-15560 | SQL Injection in NesterSoft WorkTime |
IV. Related Vulnerabilities
Same weakness: CWE-78
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