Intercom Security Point of MaLion prior 7.1.1.9 on Windows Request stack-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 classified as critical was found in Intercom Security Point of MaLion and Security Point of MaLionCloud on Windows. This issue affects some unknown processing of the component Request Handler. The manipulation results in stack-based overflow. This vulnerability is known as CVE-2025-62691. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Intercom Security Point of MaLion and Security Point of MaLionCloud on Windows. Affected is an unknown function of the component Request Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at intercom.co.jp. This vulnerability is traded as CVE-2025-62691 since 11/18/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (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-2025-199588). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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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: Stack-based overflow
CWE: CWE-121 / 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-2025-62691 (🔒)
GCVE (CVE): GCVE-0-2025-62691
GCVE (VulDB): GCVE-100-333480
EUVD: 🔒

Entryinfo

Created: 11/25/2025 08:53
Updated: 11/25/2025 13:44
Changes: 11/25/2025 08:53 (77), 11/25/2025 13:44 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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