CVE-2017-18872

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Published Jun 19, 2020 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed

Description

An issue was discovered in Mattermost Server before 4.4.3 and 4.3.3. Attackers could reconfigure an OAuth app in some cases where Mattermost is an OAuth 2.0 service provider.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:mattermost:mattermost_server::::::::
	cpe:2.3:a:mattermost:mattermost_server::::::::

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2017-9962	An issue was discovered in Mattermost Server before 4.4.3 and 4.3.3. Attackers could reconfigure an OAuth app in some cases where Mattermost is an OAuth 2.0 service provider.
Github GHSA	GHSA-hgrp-fgm8-56g8	Mattermost Server's OAuth 2.0 service is vulnerable to attack through Missing Authorization

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication Single

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.569% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://mattermost.com/security-updates/

History

No history.

Subscriptions

Mattermost Mattermost Server

Weaknesses

CWE-732

Sources

CVE record Updated: Aug 5, 2024, 9:37 PM

Status: PUBLISHED
Assigner: mitre
Published: Jun 19, 2020, 5:44 PM
Updated: Aug 5, 2024, 9:37 PM
Reserved: Jun 19, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 1:13 AM

Status: Modified
Published: Jun 19, 2020, 6:15 PM
Modified: Jun 17, 2026, 1:13 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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