| CVE-2020-13821 | Date: (C)2020-08-27 (M)2023-12-22 |
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 Score and Metrics +CVSS Score and Metrics -| CVSS V3 Severity: | CVSS V2 Severity: |
| CVSS Score : 5.4 | CVSS Score : 3.5 |
| Exploit Score: 2.3 | Exploit Score: 6.8 |
| Impact Score: 2.7 | Impact Score: 2.9 |
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| CVSS V3 Metrics: | CVSS V2 Metrics: |
| Attack Vector: NETWORK | Access Vector: NETWORK |
| Attack Complexity: LOW | Access Complexity: MEDIUM |
| Privileges Required: LOW | Authentication: SINGLE |
| User Interaction: REQUIRED | Confidentiality: NONE |
| Scope: CHANGED | Integrity: PARTIAL |
| Confidentiality: LOW | Availability: NONE |
| Integrity: LOW | |
| Availability: NONE | |
| | |
