CVE-2021-4020 - Vulnerability Details - OpenCVE

Description

janus-gateway is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Published: 2021-11-27

Score: 5.4 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

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

meetecho

meetecho/janus-gateway

affected

Version	Status	Constraints
`unspecified`	affected	< 0.11.6

Configuration 1 [-]

cpe:2.3:a:meetecho:janus:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-33923	janus-gateway is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

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.

The EPSS score is 0.00818.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/meetecho/janus-gateway/commit/d3fc00ec803d6c41d8f98908732f44e7f4911a1c
https://huntr.dev/bounties/9814baa8-7bdd-4e31-a132-d9d15653409e

History

No history.

Subscriptions

Meetecho Janus

MITRE

Status: PUBLISHED

Assigner: @huntrdev

Published: 2021-11-27T09:15:11.000Z

Updated: 2024-08-03T17:16:02.962Z

Reserved: 2021-11-25T00:00:00.000Z

Link: CVE-2021-4020

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-11-27T10:15:07.453

Modified: 2026-06-17T04:18:54.453

Link: CVE-2021-4020

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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