CVE-2018-15721
The XMPP server in Logitech Harmony Hub before version 4.15.206 is vulnerable to authentication...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2018-15721- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2018-15721- Weakness
- CWE-287
- Updated
- 2026-11-02
EUVDEUVD-2018-7591 No score
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.
- Record
EUVD-2018-7591- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wmf8-4j64-vgrw
The XMPP server in Logitech Harmony Hub before version 4.15.206 is vulnerable to authentication...
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.
- Record
GHSA-wmf8-4j64-vgrw- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-15721 is a critical vulnerability (CVSS 9.8) in Logitech Harmony Hub, published December 20, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.82%, the 78th percentile. No source names a fixed version.