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CVE-2018-21258

Good to know:

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Date: June 19, 2020

An issue was discovered in Mattermost Server before 5.1. It allows attackers to cause a denial of service via the invite_people slash command.

Language: Go

Severity Score

Related Resources (7)

https://github.com/mattermost/mattermost/commit/af615ffc24b774d76deef8c93282831432669dd8
https://mattermost.com/security-updates/
https://github.com/advisories/GHSA-5mh6-p63g-3mv5
https://nvd.nist.gov/vuln/detail/CVE-2018-21258
https://github.com/mattermost/mattermost
https://mattermost.com/security-updates
https://www.mend.io/vulnerability-database/CVE-2018-21258

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-74

Uncontrolled Resource Consumption

CWE-400

Top Fix

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Upgrade Version

Upgrade to version github.com/mattermost/mattermost-server - v5.1.0;github.com/mattermost/mattermost-server/v5 - v5.1.0

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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): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

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

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