CVEvulnerability
CVE-2020-13821
5.4 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-08-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- CVSS 2.0 ([email protected])
- 3.5 LOW — AV:N/AC:M/Au:S/C:N/I:P/A:N
- Weaknesses
- CWE-79
Description
An issue was discovered in HiveMQ Broker Control Center 4.3.2. A crafted clientid parameter in an MQTT packet (sent to the Broker) is reflected in the client section of the management console. The attacker's JavaScript is loaded in a browser, which can lead to theft of the session and cookie of the administrator's account of the Broker.
Affected configurations
• hivemq broker control center 4.3.2
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://payatu.com/advisory/hivemq-mqtt-broker---xss-over-mqtt Third Party Advisory
- https://www.hivemq.com/blog/hivemq-4-3-3-released/ Release Notes, Vendor Advisory
- https://payatu.com/advisory/hivemq-mqtt-broker---xss-over-mqtt Third Party Advisory
- https://www.hivemq.com/blog/hivemq-4-3-3-released/ Release Notes, Vendor Advisory