What is CVE-2017-10815?

CVE-2017-10815 is a high-severity vulnerability in Intercom Malion, classified under Improper Authentication. CVSS score: 8.1/10. Published 2017-08-04.

How severe is CVE-2017-10815?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Intercom Malion

CVE-2017-10815

MaLion for Windows 5.2.1 and earlier (only when "Remote Control" is installed) and MaLion for Mac 4.0.1 to 5.2.1 (only when "Remote Control" is installed) allow remote attackers to bypass authentication to execute arbitrary commands or operations on Terminal Agent.

Vulnerability class: Broken Authentication

Published 2017-08-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.023 (83.0th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Intercom Malion
Intercom, Inc. Malion For Mac — versions 4.0.1 to 5.2.1 (only when "Remote Control" is installed)
Intercom, Inc. Malion For Windows — versions 5.2.1 and earlier (only when "Remote Control" is installed)

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

www.intercom.co.jp/information/2017/0801.html (Vendor Advisory)
jvn.jp/en/vu/JVNVU91587298/index.html (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2017-10815?: CVE-2017-10815 is a high-severity vulnerability in Intercom Malion, classified under Improper Authentication. CVSS score: 8.1/10. Published 2017-08-04.
How severe is CVE-2017-10815?: High severity. CVSS v3 base score is 8.1 out of 10.