CVE-2020-13821 describes a reflected cross-site scripting (XSS) vulnerability in HiveMQ Broker Control Center 4.3.2. An attacker can inject malicious JavaScript into the management console by crafting an MQTT packet's clientid parameter. This medium-severity vulnerability (CVSS 5.4) requires user interaction and authenticated access, potentially leading to administrator session and cookie theft. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.3.2CPE matchmatch criteria | cpe:2.3:a:hivemq:broker_control_center:4.3.2:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.