Medium severity6.5NVD Advisory· Published Sep 11, 2017· Updated Jun 17, 2026
CVE-2017-7650
CVE-2017-7650
Description
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.
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Affected products
3- Eclipse Foundation/Mosquittov5Range: 0.15 to 1.4.11 inclusive
Patches
Vulnerability mechanics
References
4- mosquitto.org/2017/05/security-advisory-cve-2017-7650/nvdPatchVendor Advisory
- bugs.eclipse.org/bugs/show_bug.cginvdExploitThird Party Advisory
- www.debian.org/security/2017/dsa-3865nvdThird Party Advisory
- www.securityfocus.com/bid/98741nvdThird Party AdvisoryVDB Entry
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