Home/CVE/In Mosquitto before 1.4.12, pattern based ACLs can be bypassed by clients that set their username/client id to '#' or '+
CVE

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 '+

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.

MEDIUM · CVSS 6.5 EPSS 0.03992
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-287Improper Authentication
▤

Affected Products & Versions

2
eclipse mosquitto< 1.4.12
debian linuxall versions
⚠

Public Exploits & PoCs

1
pocbugs.eclipse.org · show_bug.cgi?id=516765bugs.eclipse.org
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.0 · emo@eclipse.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Sep 2017 · 04:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
⚑

Vendor Advisories

1
suse-csafopenSUSE-SU-2024:11057-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://mosquitto.org/2017/05/security-advisory-cve-2017-7650/PatchVendor Advisory
http://www.debian.org/security/2017/dsa-3865Third Party Advisory
http://www.securityfocus.com/bid/98741Third Party AdvisoryVDB Entry
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