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Vulnerabilities

Vulnerability · CVE-2025-64693

Security Point (Windows) of MaLion and MaLionCloud contains a heap-based buffer overflow vulnerability in processing Content-Length.

Published Nov 25, 2025 · catalog updated Nov 25, 2025 · Intercom, Inc. Security Point (Windows) of MaLion

Last checked Oct 28, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-64693. EPSS is 0.74%. Act only if a listed version of Intercom, Inc. Security Point (Windows) of MaLion is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Critical9.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.74%
Remediation
Vendor / distro source
Affected products
vendor Intercom, Inc. Security Point (Windows) of MaLion prior to Ver.7.1.1.9

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Intercom, Inc. Security Point (Windows) of MaLion prior to Ver.7.1.1.9prior to Ver.7.1.1.9

How to fix CVE-2025-64693

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-64693. EPSS is 0.74%. Act only if a listed version of Intercom, Inc. Security Point (Windows) of MaLion is installed.

Which versions are affected?

Compare what you have installed with Intercom, Inc. Security Point (Windows) of MaLion prior to Ver.7.1.1.9 prior to Ver.7.1.1.9. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.74%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Windows security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 25, 2025 · EUVD

    Detected

    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.

  2. Nov 25, 2025 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-64693

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-64693

    30-day exploitation probability 0.74%

    first.org
  • EUVDVulnerability recordEUVD-2025-199587

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 28, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 28, 2026
  • CVE.orgOct 28, 2026
  • EUVDOct 28, 2026