VDB
CVE-2020-13849
CVE-2020-13849
PUBLISHED
CVSS 7.5 HIGH
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.
EPSS 2.05% · 81.1th percentile
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
2.05%
81.1th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
| mqtt | mqtt | 3.1.1 |
Timeline
- Jun 4, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Dec 30, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Mar 3, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 5, 2022 EPSS Score
- Jul 7, 2022 EPSS Score
- Nov 12, 2022 EPSS Score
- Jan 14, 2023 EPSS Score