Improper authentication in Logitech Harmony Hub
Priority MEDIUM 46CWE-287Published · 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 3.0 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
The XMPP server in Logitech Harmony Hub before version 4.15.206 is vulnerable to authentication bypass via a crafted XMPP request. Remote attackers can use this vulnerability to gain access to the local API.
Why it matters now
EPSS 0.01825 78th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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 |
|---|---|---|---|---|---|
| LOGITEC CORPORATION | Logitech Harmony Hub | Firmware before 4.15.206 | — | No fix listed | CNA |
- Logitech Harmony Hub VendorLOGITEC CORPORATION Affected Firmware before 4.15.206 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:logitech:harmony_hub_firmware:*:*:*:*:*:*:*:* | before 4.15.206 | Vulnerable | LOGITEC CORPORATION |
| cpe:2.3:h:logitech:harmony_hub:-:*:*:*:*:*:*:* | not specified by NVD | Running on | LOGITEC CORPORATION |
- cpe:2.3:o:logitech:harmony_hub_firmware:*:*:*:*:*:*:*:* Versions before 4.15.206 Vulnerable ·LOGITEC CORPORATION
- cpe:2.3:h:logitech:harmony_hub:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·LOGITEC CORPORATION
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-15721
- 2026-10-03 Alias added: GHSA-wmf8-4j64-vgrw
References
More LOGITEC CORPORATION Harmony Hub Firmware vulnerabilities
- TI-2018-11211 Origin validation error in Logitech Harmony Hub CVSS 3.0CRITICAL 9.8
- TI-2018-11208 Hard-coded credentials in Logitech Harmony Hub CVSS 3.0CRITICAL 9.8
- TI-2018-11210 OS command injection in Logitech Harmony Hub CVSS 3.0HIGH 8.1
Sources
- CVE-2018-15721 · CVE Program
- CVE-2018-15721 · NVD
- FIRST EPSS
- GHSA-wmf8-4j64-vgrw · 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