Intercom Security Point of MaLion prior 7.1.1.9 on Windows Request heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Intercom Security Point of MaLion and Security Point of MaLionCloud on Windows. Impacted is an unknown function of the component Request Handler. This manipulation causes heap-based overflow. This vulnerability is handled as CVE-2025-64693. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Intercom Security Point of MaLion and Security Point of MaLionCloud on Windows and classified as very critical. Affected by this vulnerability is an unknown functionality of the component Request Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at intercom.co.jp. This vulnerability is known as CVE-2025-64693 since 11/18/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/25/2025).

Upgrading to version 7.1.1.9 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-199587). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (jpcert): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Security Point of MaLion/Security Point of MaLionCloud 7.1.1.9

Timelineinfo

11/18/2025 CVE reserved
11/25/2025 +7 days Advisory disclosed
11/25/2025 +0 days VulDB entry created
11/25/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: intercom.co.jp
Status: Confirmed

CVE: CVE-2025-64693 (🔒)
GCVE (CVE): GCVE-0-2025-64693
GCVE (VulDB): GCVE-100-333481
EUVD: 🔒

Entryinfo

Created: 11/25/2025 08:55
Updated: 11/25/2025 13:44
Changes: 11/25/2025 08:55 (77), 11/25/2025 13:44 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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