// For flags

CVE-2018-21263

 

Severity Score

8.8
*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 4.7.0, 4.6.2, and 4.5.2. An attacker could authenticate to a different user's account via a crafted SAML response.

Se detectó un problema en Mattermost Server versiones anteriores a 4.7.0, 4.6.2 y 4.5.2. Un atacante podría autenticarse en una cuenta de usuario diferente por medio de una respuesta SAML diseñada

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* 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
  • 2023-03-07 EPSS Updated
  • 2024-08-05 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-287: Improper Authentication
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://mattermost.com/security-updates 2020-06-25
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"
< 4.5.2
Search vendor "Mattermost" for product "Mattermost Server" and version " < 4.5.2"
-
Affected
Mattermost
Search vendor "Mattermost"
Mattermost Server
Search vendor "Mattermost" for product "Mattermost Server"
>= 4.6.0 < 4.6.2
Search vendor "Mattermost" for product "Mattermost Server" and version " >= 4.6.0 < 4.6.2"
-
Affected
Mattermost
Search vendor "Mattermost"
Mattermost Server
Search vendor "Mattermost" for product "Mattermost Server"
4.7.0
Search vendor "Mattermost" for product "Mattermost Server" and version "4.7.0"
rc1
Affected
Mattermost
Search vendor "Mattermost"
Mattermost Server
Search vendor "Mattermost" for product "Mattermost Server"
4.7.0
Search vendor "Mattermost" for product "Mattermost Server" and version "4.7.0"
rc2
Affected
Mattermost
Search vendor "Mattermost"
Mattermost Server
Search vendor "Mattermost" for product "Mattermost Server"
4.7.0
Search vendor "Mattermost" for product "Mattermost Server" and version "4.7.0"
rc3
Affected
Mattermost
Search vendor "Mattermost"
Mattermost Server
Search vendor "Mattermost" for product "Mattermost Server"
4.7.0
Search vendor "Mattermost" for product "Mattermost Server" and version "4.7.0"
rc4
Affected