What’s Vulnerable › Vulnerabilities

CVE-2017-9868

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-06-25 · updated 2026-06-17
• Weakness: CWE-200

Description

In Mosquitto through 1.4.12, mosquitto.db (aka the persistence file) is world readable, which allows local users to obtain sensitive MQTT topic information.

Affected products

• Debian Linux: 8.0
• The Eclipse Foundation Eclipse Mosquitto: through 1.4.12

References

• https://github.com/eclipse/mosquitto/issues/468
• https://lists.debian.org/debian-lts-announce/2018/09/msg00036.html
• https://github.com/eclipse/mosquitto/issues/468
• https://lists.debian.org/debian-lts-announce/2018/09/msg00036.html

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