Critical severity · published Nov 25, 2025
CVE-2025-64693
Security Point (Windows) of MaLion and MaLionCloud contains a heap-based buffer overflow vulnerability in processing Content-Length
9.8
CVSS
0.7%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SP
Security Point (Windows) of MaLion · Intercom, Inc.
prior to Ver.7.1.1.9 · source: vendor
SP
Security Point (Windows) of MaLionCloud · Intercom, Inc.
prior to Ver.7.2.0.1 · source: vendor
Affected product
SP
Security Point (Windows) of MaLion
Intercom, Inc.
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-64693
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-64693
jvn.jp
https://jvn.jp/en/jp/JVN76298784/
www.intercom.co.jp
https://www.intercom.co.jp/information/2025/1125.html
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