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CVE-2020-14457

Good to know:

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Date: June 19, 2020

An issue was discovered in Mattermost Server before 5.20.0. Non-members can receive broadcasted team details via the update_team WebSocket event, aka MMSA-2020-0012.

Language: Go

Severity Score

Related Resources (7)

https://mattermost.com/security-updates/
https://github.com/advisories/GHSA-j2h2-cvwh-cr64
https://nvd.nist.gov/vuln/detail/CVE-2020-14457
https://github.com/mattermost/mattermost
https://github.com/mattermost/mattermost/pull/13848
https://mattermost.com/security-updates
https://www.mend.io/vulnerability-database/CVE-2020-14457

Severity Score

Weakness Type (CWE)

Missing Authorization

CWE-862

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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