Vulnerability · Published Dec 19, 2025 · Assigned by SRA
CVE-2025-12874HTTP Request Smuggling in Quest Coexistence Manager for Notes
Medium 6.3
In plain English
A medium-severity security flaw in Coexistence Manager for Notes from Quest. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Quest | Coexistence Manager for Notes | 3.8.2045 |
Weakness: CWE-444 · Vector: 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