// For flags

CVE-2019-20887

 

Severity Score

4.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An issue was discovered in Mattermost Server before 5.7.1, 5.6.4, 5.5.3, and 4.10.6. It does not honor flags API permissions when deciding whether a user can receive intra-team posts.

Se detectó un problema en Mattermost Server versiones anteriores a 5.7.1, 5.6.4, 5.5.3 y 4.10.6. No respeta los permisos de la API de indicaciones (flags) cuando deciden si un usuario puede recibir publicaciones dentro del equipo

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-06-19 CVE Reserved
  • 2020-06-19 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-05 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-862: Missing Authorization
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://mattermost.com/security-updates 2021-07-21
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Mattermost
Search vendor "Mattermost"
Mattermost Server
Search vendor "Mattermost" for product "Mattermost Server"
< 4.10.6
Search vendor "Mattermost" for product "Mattermost Server" and version " < 4.10.6"
-
Affected
Mattermost
Search vendor "Mattermost"
Mattermost Server
Search vendor "Mattermost" for product "Mattermost Server"
>= 5.5.0 < 5.5.3
Search vendor "Mattermost" for product "Mattermost Server" and version " >= 5.5.0 < 5.5.3"
-
Affected
Mattermost
Search vendor "Mattermost"
Mattermost Server
Search vendor "Mattermost" for product "Mattermost Server"
>= 5.6.0 < 5.6.4
Search vendor "Mattermost" for product "Mattermost Server" and version " >= 5.6.0 < 5.6.4"
-
Affected
Mattermost
Search vendor "Mattermost"
Mattermost Server
Search vendor "Mattermost" for product "Mattermost Server"
>= 5.7.0 < 5.7.1
Search vendor "Mattermost" for product "Mattermost Server" and version " >= 5.7.0 < 5.7.1"
-
Affected