VulnerabilityModified
CVE-2020-13821
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.
MEDIUM 5.4EPSS 0.53%
Does this matter?
Lower severity and a low EPSS score (0.53%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.53% probability · 43th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- hivemq/broker control center
- Source
- cve@mitre.org
References
- https://payatu.com/advisory/hivemq-mqtt-broker---xss-over-mqttThird 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-mqttThird Party Advisory
- https://www.hivemq.com/blog/hivemq-4-3-3-released/Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.