CVE-2025-64693

CRITICAL EPSS 43.9%

Published Nov 25, 20257mo ago · Modified Jun 17, 20261w ago

9.3 CVSS 4.0

Critical

Published Nov 25, 2025 7mo ago

Last Modified Jun 17, 2026 1w ago

Description

Security Point (Windows) of MaLion and MaLionCloud contains a heap-based buffer overflow vulnerability in processing Content-Length. Receiving a specially crafted request from a remote unauthenticated attacker could lead to arbitrary code execution with SYSTEM privilege.

CVSS Details

Base Score

9.3

Exploitability

—

Impact

—

Vector string

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

43.9% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-122

References 2

jvn.jp https://jvn.jp/en/jp/JVN76298784/
intercom.co.jp https://www.intercom.co.jp/information/2025/1125.html

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.