Hard-coded credentials in Intercom, Inc. MaLion for Windows and Mac
Priority MEDIUM 46CWE-798Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-798.
Summary
MaLion for Windows and Mac versions 3.2.1 to 5.2.1 uses a hardcoded cryptographic key which may allow an attacker to alter the connection settings of Terminal Agent and spoof the Relay Service.
Why it matters now
EPSS 0.01793 78th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Intercom, Inc. | MaLion for Windows and Mac | 3.2.1 to 5.2.1 | — | No fix listed | CNA |
- MaLion for Windows and Mac VendorIntercom, Inc. Affected 3.2.1 to 5.2.1 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:intercom:malion:*:*:*:*:*:macos:*:* | 3.2.1 – 5.2.1 | Vulnerable | Intercom, Inc. |
| cpe:2.3:a:intercom:malion:*:*:*:*:*:windows:*:* | 3.2.1 – 5.2.1 | Vulnerable | Intercom, Inc. |
- cpe:2.3:a:intercom:malion:*:*:*:*:*:macos:*:* Versions 3.2.1 – 5.2.1 Vulnerable ·Intercom, Inc.
- cpe:2.3:a:intercom:malion:*:*:*:*:*:windows:*:* Versions 3.2.1 – 5.2.1 Vulnerable ·Intercom, Inc.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-10818
- 2026-10-03 Alias added: GHSA-mq8h-jv5c-736f
References
More Intercom, Inc. Malion vulnerabilities
- TI-2017-07918 Improper authentication in Intercom, Inc. MaLion for Windows and Mac CVSS 3.1CRITICAL 9.8
- TI-2017-07917 SQL injection in Intercom, Inc. MaLion for Windows and Mac CVSS 3.1CRITICAL 9.8
- TI-2017-07916 Improper authentication in Intercom, Inc. MaLion for Windows CVSS 3.0HIGH 8.1
- TI-2017-07920 Improper certificate validation in Intercom, Inc. MaLion for Mac CVSS 3.1MEDIUM 5.9
Sources
- CVE-2017-10818 · CVE Program
- CVE-2017-10818 · NVD
- FIRST EPSS
- GHSA-mq8h-jv5c-736f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences