CVE-2020-13849

Description

The MQTT protocol 3.1.1 requires a server to set a timeout value of 1.5 times the Keep-Alive value specified by a client, which allows remote attackers to cause a denial of service (loss of the ability to establish new connections), as demonstrated by SlowITe.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.83% Top 30%
Third-Party Advisory doi.org Third-Party Advisory mdpi.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.mdpi.com/1424-8220/20/10/2932 third party advisory technical description
https://doi.org/10.3390/s20102932 third party advisory technical description

Frequently Asked Questions

What is the severity of CVE-2020-13849?
CVE-2020-13849 has been scored as a high severity vulnerability.
How to fix CVE-2020-13849?
To fix CVE-2020-13849, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-13849 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-13849 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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