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CVE-2025-12874

HTTP Request Smuggling in Quest Coexistence Manager for Notes

MEDIUM
6.3
CVSS Score
Published: December 19, 2025 at 07:36 PM UTC
Updated: June 17, 2026 at 08:33 AM UTC
1 product affected across 1 vendorCoexistence Manager for Notes

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: cverecord
https://support.quest.com/coexistence-manager-for-notes/3.10
Third Party Advisory
Source: cverecord
https://sra.io/advisories/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMSRA
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-444

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