CVE-2025-64180— Manager-io/Manager: Complete Bypass of SSRF Protection via Time-of-Check Time-of-Use (TOCTOU)
Quick assessment
Affected
Manager-io Manager
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Manager-io是Manager.io开源的一个会计软件。适用于Windows、Mac和Linux。 Manager-io 25.11.1.3085及之前版本存在代码问题漏洞，该漏洞源于DNS验证机制存在TOCTOU条件，可能导致绕过网络隔离并访问内部服务。
Possible ATT&CK Techniques 3 AI
T1046 · Network Service Discovery T1059 · Command and Scripting Interpreter T1569 · System Services
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I. Basic Information for CVE-2025-64180
Vulnerability Information
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Vulnerability Title
Manager-io/Manager: Complete Bypass of SSRF Protection via Time-of-Check Time-of-Use (TOCTOU)
Source: CVE Program / CVE List V5
Vulnerability Description
Manager-io/Manager is accounting software. In Manager Desktop and Server versions 25.11.1.3085 and below, a critical vulnerability permits unauthorized access to internal network resources. The flaw lies in the fundamental design of the DNS validation mechanism. A Time-of-Check Time-of-Use (TOCTOU) condition that allows attackers to bypass network isolation and access internal services, cloud metadata endpoints, and protected network segments. The Desktop edition requires no authentication; the Server edition requires only standard authentication. This issue is fixed in version 25.11.1.3086.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: CVE Program / CVE List V5
Vulnerability Title
Manager-io 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Manager-io是Manager.io开源的一个会计软件。适用于Windows、Mac和Linux。 Manager-io 25.11.1.3085及之前版本存在代码问题漏洞，该漏洞源于DNS验证机制存在TOCTOU条件，可能导致绕过网络隔离并访问内部服务。
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 |
|---|---|---|---|---|
| Manager-io | Manager | < 25.11.1.3086 | - |
|
II. Public POCs for CVE-2025-64180
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-64180 (1)
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