CVE-2025-12874— HTTP Request Smuggling in Quest Coexistence Manager for Notes
Quick assessment
Affected
Quest Coexistence Manager for Notes
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.
Quest Coexistence Manager for Notes是美国Quest公司的一个数据同步软件。 Quest Coexistence Manager for Notes存在安全漏洞，该漏洞源于HTTP请求/响应解释不一致，可能导致HTTP请求夹带攻击。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-12874
Vulnerability Information
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Vulnerability Title
HTTP Request Smuggling in Quest Coexistence Manager for Notes
Source: CVE Program / CVE List V5
Vulnerability Description
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Quest Coexistence Manager for Notes (Free/Busy Connector modules) allows HTTP Request Smuggling via the Content-Length-Transfer-Encoding (CL.TE) attack vector. This could allow an attacker to bypass access controls, poison web caches, hijack sessions, or trigger unintended internal requests. This issue affects Coexistence Manager for Notes 3.8.2045. Other versions may also be affected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/U:Clear
Source: CVE Program / CVE List V5
Vulnerability Type
HTTP请求的解释不一致性(HTTP请求私运)
Source: CVE Program / CVE List V5
Vulnerability Title
Quest Coexistence Manager for Notes 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Quest Coexistence Manager for Notes是美国Quest公司的一个数据同步软件。 Quest Coexistence Manager for Notes存在安全漏洞，该漏洞源于HTTP请求/响应解释不一致，可能导致HTTP请求夹带攻击。
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 |
|---|---|---|---|---|
| Quest | Coexistence Manager for Notes | 3.8.2045 | - |
|
II. Public POCs for CVE-2025-12874
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2025-12874 (2)
-
https://sra.io/advisories/ third-party-advisory
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V. Comments for CVE-2025-12874
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