#VU56273 Improper Authorization in Eclipse Mosquitto - CVE-2021-34434 

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Main Vulnerability Database Vulnerabilities #VU56273

#VU56273 Improper Authorization in Eclipse Mosquitto - CVE-2021-34434

Published: September 2, 2021


Vulnerability identifier: #VU56273
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-34434
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Eclipse Mosquitto
Software vendor:
Eclipse

Description

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to a subscriptions revoke flaw when using the dynamic security plugin. A remote attacker can send a specially crafted request and obtain subscriptions information.


Remediation

Install updates from vendor's website.

External links