CVE-2020-13849

Published on: 06/04/2020 12:00:00 AM UTC

Last Modified on: 03/23/2021 11:23:43 PM UTC

CVE-2020-13849

Source: Mitre Source: NIST CVE.ORG Print: PDF PDF
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Certain versions of Mqtt from Mqtt contain the following vulnerability:

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.

  • CVE-2020-13849 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 7.5 - HIGH

Attack
Vector ⓘ		 Attack
Complexity		 Privileges
Required		 User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
UNCHANGED NONE NONE HIGH

CVSS2 Score: 5 - MEDIUM

Access
Vector ⓘ		 Access
Complexity		 Authentication
NETWORK LOW NONE
Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
NONE NONE PARTIAL

CVE References

Description Tags ⓘ Link
Sensors | Free Full-Text | SlowITe, a Novel Denial of Service Attack Affecting MQTT Technical Description
Third Party Advisory
www.mdpi.com
text/html
 URL Logo MISC www.mdpi.com/1424-8220/20/10/2932
Sensors | Free Full-Text | SlowITe, a Novel Denial of Service Attack Affecting MQTT Technical Description
Third Party Advisory
doi.org
text/html
 URL Logo MISC doi.org/10.3390/s20102932
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Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationMqttMqtt3.1.1AllAllAll
ApplicationMqttMqtt3.1.1AllAllAll
  • cpe:2.3:a:mqtt:mqtt:3.1.1:*:*:*:*:*:*:*:
  • cpe:2.3:a:mqtt:mqtt:3.1.1:*:*:*:*:*:*:*:
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