CVE-2021-37859 - Vulnerability Details - OpenCVE

Description

Fixed a bypass for a reflected cross-site scripting vulnerability affecting OAuth-enabled instances of Mattermost.

Published: 2021-08-05

Score: 7.1 High

EPSS: 3.3% Low

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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

Vendor Product Default status Versions

Mattermost

Mattermost

affected

Version	Status	Constraints
`5.34.5`	unaffected	—
`5.35.4`	unaffected	—
`5.32.0`	affected	≤ 5.36.0

Configuration 1 [-]

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

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact Low

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.03288.

Key SSVC decision points have not yet been added.

References

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

History

No history.

Subscriptions

Mattermost Mattermost

MITRE

Status: PUBLISHED

Assigner: Mattermost

Published: 2021-08-05T19:40:10.000Z

Updated: 2024-08-04T01:30:09.121Z

Reserved: 2021-08-02T00:00:00.000Z

Link: CVE-2021-37859

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-08-05T20:15:09.533

Modified: 2026-06-17T04:01:12.623

Link: CVE-2021-37859

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-79

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