Vulnerability Report

CVE-2017-7650

Title: Eclipse Mosquitto Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2017-7650.

CWE Category CWE-287

Published Date Sep 11, 2017

Modified Date May 13, 2026

Exploit Status Not Found

Score 6.5 CVSS v3.0

Exploit Probability (EPSS)

3.99%

Vulnerability Summary

CVE-2017-7650: In Mosquitto before 1.4.12, pattern based ACLs can be bypassed by clients that set their username/client id to '#' or '+'. This allows locally or remotely connected clients to access MQTT topics that they do have the rights to. The same issue may be present in third party authentication/access control plugins for Mosquitto.

Impacted Vendors

eclipse 1

Reference Links

http://mosquitto.org/2017/05/security-advisory-cve-2017-7650/ http://www.debian.org/security/2017/dsa-3865 http://www.securityfocus.com/bid/98741 https://bugs.eclipse.org/bugs/show_bug.cgi?id=516765 http://mosquitto.org/2017/05/security-advisory-cve-2017-7650/ http://www.debian.org/security/2017/dsa-3865 http://www.securityfocus.com/bid/98741 https://bugs.eclipse.org/bugs/show_bug.cgi?id=516765

CVSS v3.0

Source Entity [email protected]

Severity MEDIUM

6.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

4.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:S/C:P/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns