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CVE-2018-12546

MEDIUMCVSS 6.5/10EPSS 0.82%

Last modified

CVE-2018-12546 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. In Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) when a client publishes a retained message to a topic, then has its access to that topic revoked, the retained message will still be published to clients that subscribe to that topic in the future. In some applications this may result in clients being able cause effects that would otherwise not be allowed.. EPSS estimates a 0.82% chance of exploitation in the next 30 days.

Description

In Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) when a client publishes a retained message to a topic, then has its access to that topic revoked, the retained message will still be published to clients that subscribe to that topic in the future. In some applications this may result in clients being able cause effects that would otherwise not be allowed.

Metrics

CVSS 3.1
6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS Probability
0.82%

52.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
EclipseMosquitto>= 1.0, <= 1.5.5

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-12546?
In Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) when a client publishes a retained message to a topic, then has its access to that topic revoked, the retained message will still be published to clients that subscribe to that topic in the future. In some applications this may result in clients being able cause effects that would otherwise not be allowed.
How severe is CVE-2018-12546?
CVE-2018-12546 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.82% probability of exploitation in the next 30 days.
How do I fix CVE-2018-12546?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-12546?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST