CVE-2017-9868
Publication date 25 June 2017
Last updated 25 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
In Mosquitto through 1.4.12, mosquitto.db (aka the persistence file) is world readable, which allows local users to obtain sensitive MQTT topic information.
Status
| Package | Ubuntu Release | Status | 
|---|---|---|
| mosquitto | 18.04 LTS bionic | 
                              
                               
                                Not affected 
                                
                               
                             |      
                          
                            
                          
                        
                      
| 16.04 LTS xenial | 
                              
                               
                                Fixed 1.4.8-1ubuntu0.16.04.2 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 14.04 LTS trusty | 
                              
                               
                                Fixed 0.15-2ubuntu1.2 
                                
                               
                             |      
                          
                            
                          
                        
                      
Severity score breakdown
| Parameter | Value | 
|---|---|
| Base score | 
                      
                      
                         | 
                  
| Attack vector | Local | 
| Attack complexity | Low | 
| Privileges required | Low | 
| User interaction | None | 
| Scope | Unchanged | 
| Confidentiality | High | 
| Integrity impact | None | 
| Availability impact | None | 
| Vector | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |