CVE-2017-10817

Name: CVE-2017-10817
Creator: NVD / NIST
Published: 2017-08-04T16:29:00.26+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.13%

Last modified Jun 17, 2026

CVE-2017-10817 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. MaLion for Windows and Mac 5.0.0 to 5.2.1 allows remote attackers to bypass authentication to alter settings in Relay Service Server.. EPSS estimates a 3.13% chance of exploitation in the next 30 days.

Description

MaLion for Windows and Mac 5.0.0 to 5.2.1 allows remote attackers to bypass authentication to alter settings in Relay Service Server.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

3.13%

86.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Intercom	Malion	<= 5.2.1

References

http://www.intercom.co.jp/information/2017/0801.htmlVendor Advisory
https://jvn.jp/en/vu/JVNVU91587298/index.htmlThird Party Advisory, VDB Entry
http://www.intercom.co.jp/information/2017/0801.htmlVendor Advisory
https://jvn.jp/en/vu/JVNVU91587298/index.htmlThird Party Advisory, VDB Entry

Timeline

Published: Aug 4, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-10817?

MaLion for Windows and Mac 5.0.0 to 5.2.1 allows remote attackers to bypass authentication to alter settings in Relay Service Server.

How severe is CVE-2017-10817?

CVE-2017-10817 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.13% probability of exploitation in the next 30 days.

How do I fix CVE-2017-10817?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-10817?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST