Description
Security Point (Windows) of MaLion and MaLionCloud contains a stack-based buffer overflow vulnerability in processing HTTP headers. Receiving a specially crafted request from a remote unauthenticated attacker could lead to arbitrary code execution with SYSTEM privilege.
Published: 2025-11-25
Score: 9.3 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 26 Nov 2025 11:15:00 +0000

Type Values Removed Values Added
First Time appeared Intercom
Intercom malion
Microsoft
Microsoft windows
Vendors & Products Intercom
Intercom malion
Microsoft
Microsoft windows

Tue, 25 Nov 2025 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 25 Nov 2025 07:30:00 +0000

Type Values Removed Values Added
Description Security Point (Windows) of MaLion and MaLionCloud contains a stack-based buffer overflow vulnerability in processing HTTP headers. Receiving a specially crafted request from a remote unauthenticated attacker could lead to arbitrary code execution with SYSTEM privilege.
Weaknesses CWE-121
References
Metrics cvssV3_0

{'score': 9.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

Intercom Malion
Microsoft Windows
cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2025-11-25T20:17:50.931Z

Reserved: 2025-11-18T02:02:13.827Z

Link: CVE-2025-62691

cve-icon Vulnrichment

Updated: 2025-11-25T20:17:47.737Z

cve-icon NVD

Status : Deferred

Published: 2025-11-25T08:15:54.230

Modified: 2026-04-15T00:35:42.020

Link: CVE-2025-62691

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-11-26T11:11:09Z

Weaknesses