CVE-2025-40549— SolarWinds Serv-U Path Restriction Bypass Vulnerability
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I. Basic Information for CVE-2025-40549
Vulnerability Information
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Vulnerability Title
SolarWinds Serv-U Path Restriction Bypass Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A Path Restriction Bypass vulnerability exists in Serv-U that when abused, could give a malicious actor with access to admin privileges the ability to execute code on a directory. This issue requires administrative privileges to abuse. On Windows systems, this scored as medium due to differences in how paths and home directories are handled.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Vulnerability Title
SolarWinds Serv-U 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SolarWinds Serv-U是美国SolarWinds公司的一款 FTP（文件传输协议）服务器软件。 SolarWinds Serv-U存在路径遍历漏洞，该漏洞源于路径限制绕过，可能导致管理员权限的攻击者在目录中执行代码。
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)
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| SolarWinds | Serv-U | SolarWinds Serv-U 15.5.2 and prior versions | - |
II. Public POCs for CVE-2025-40549
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · SolarWinds · 2025-11-18 · 5 CVEs total
| CVE-2025-40548 | 9.1 CRITICAL | SolarWinds Serv-U Broken Access Control - Remote Code Execution Vulnerability |
| CVE-2025-40547 | 9.1 CRITICAL | SolarWinds Serv-U Logic Abuse - Remote Code Execution Vulnerability |
| CVE-2025-26391 | 5.4 MEDIUM | SolarWinds Observability Self-Hosted XSS Vulnerability |
| CVE-2025-40545 | 4.8 MEDIUM | SolarWinds Observability Self-Hosted Open Redirection Vulnerability |
IV. Related Vulnerabilities
Same product: Serv-U
- CVE-2025-40541
SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Re - CVE-2025-40540
SolarWinds Serv-U Type Confusion Remote Code Execution Vulne - CVE-2025-40539
SolarWinds Serv-U Type Confusion Remote Code Execution Vulne - CVE-2025-40538
SolarWinds Serv-U Broken Access Control Remote Code Executio - CVE-2025-40548
SolarWinds Serv-U Broken Access Control - Remote Code Execut
Same vendor: SolarWinds
- CVE-2026-28298
SolarWinds Observability Self-Hosted Stored Cross-Site Scrip - CVE-2026-28297
SolarWinds Observability Self-Hosted Stored Cross-Site Scrip - CVE-2025-40541
SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Re - CVE-2025-40540
SolarWinds Serv-U Type Confusion Remote Code Execution Vulne - CVE-2025-40539
SolarWinds Serv-U Type Confusion Remote Code Execution Vulne
Same weakness: CWE-22
- CVE-2026-8754
AstrBotDevs AstrBot File Upload chat.py post_file path trave - CVE-2018-25325
Woocommerce CSV Importer 3.3.6 Path Traversal File Deletion - CVE-2018-25326
Google Drive for WordPress 2.2 Path Traversal RCE via gdrive - CVE-2026-8736
Oinone Pamirs RestController LocalFileClient.java request.ge - CVE-2021-47977
WordPress Anti-Malware Security Bruteforce Firewall 4.20.59
V. Comments for CVE-2025-40549
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