Description
A malicious extension could have called <code>browser.identity.launchWebAuthFlow</code>, controlling the redirect_uri, and through the Promise returned, obtain the Auth code and gain access to the user's account at the service provider. This vulnerability affects Firefox < 75.
Published: 2020-04-24
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
EUVD EUVD EUVD-2020-27967 A malicious extension could have called <code>browser.identity.launchWebAuthFlow</code>, controlling the redirect_uri, and through the Promise returned, obtain the Auth code and gain access to the user's account at the service provider. This vulnerability affects Firefox < 75.
Ubuntu USN Ubuntu USN USN-4323-1 Firefox vulnerabilities
History

Fri, 11 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00321}

epss

{'score': 0.00594}


cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-04T09:11:05.127Z

Reserved: 2020-01-10T00:00:00.000Z

Link: CVE-2020-6823

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-04-24T16:15:13.633

Modified: 2024-11-21T05:36:14.613

Link: CVE-2020-6823

cve-icon Redhat

Severity : Moderate

Publid Date: 2020-04-10T12:00:00Z

Links: CVE-2020-6823 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses