Upstream information

CVE-2020-13849 at MITRE

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.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having important severity.

CVSS v2 Scores
CVSS detail National Vulnerability Database
Base Score 5
Vector AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
CVSS detail National Vulnerability Database
Base Score 7.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1190101 [NEW]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub 15 SP5
  • libmosquitto1 >= 2.0.20-bp155.3.3.1
  • libmosquittopp1 >= 2.0.20-bp155.3.3.1
  • mosquitto >= 2.0.20-bp155.3.3.1
  • mosquitto-clients >= 2.0.20-bp155.3.3.1
  • mosquitto-devel >= 2.0.20-bp155.3.3.1
 Patchnames:
openSUSE-2024-346
SUSE Package Hub 15 SP6
  • libmosquitto1 >= 2.0.20-bp156.2.3.1
  • libmosquittopp1 >= 2.0.20-bp156.2.3.1
  • mosquitto >= 2.0.20-bp156.2.3.1
  • mosquitto-clients >= 2.0.20-bp156.2.3.1
  • mosquitto-devel >= 2.0.20-bp156.2.3.1
 Patchnames:
openSUSE-2024-346
openSUSE Leap 15.5
  • libmosquitto1 >= 2.0.20-bp155.3.3.1
  • libmosquittopp1 >= 2.0.20-bp155.3.3.1
  • mosquitto >= 2.0.20-bp155.3.3.1
  • mosquitto-clients >= 2.0.20-bp155.3.3.1
  • mosquitto-devel >= 2.0.20-bp155.3.3.1
 Patchnames:
openSUSE-2024-346
openSUSE Leap 15.6
  • libmosquitto1 >= 2.0.20-bp156.2.3.1
  • libmosquittopp1 >= 2.0.20-bp156.2.3.1
  • mosquitto >= 2.0.20-bp156.2.3.1
  • mosquitto-clients >= 2.0.20-bp156.2.3.1
  • mosquitto-devel >= 2.0.20-bp156.2.3.1
 Patchnames:
openSUSE-2024-346
openSUSE Tumbleweed
  • libmosquitto1 >= 2.0.12-1.1
  • libmosquittopp1 >= 2.0.12-1.1
  • mosquitto >= 2.0.12-1.1
  • mosquitto-clients >= 2.0.12-1.1
  • mosquitto-devel >= 2.0.12-1.1
 Patchnames:
openSUSE-Tumbleweed-2024-11575

SUSE Timeline for this CVE

CVE page created: Fri Jun 5 01:00:50 2020
CVE page last modified: Sat Nov 1 21:58:55 2025