Main Vulnerability Database Vulnerabilities #VU29463

Origin validation error in Mozilla Firefox - CVE-2020-12424

Published: July 2, 2020 / Updated: July 31, 2020

Vulnerability identifier: #VU29463

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2020-12424

CWE-ID: CWE-346

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Mozilla

Affected software:
Mozilla Firefox

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to an error when processing URI permissions in WebRTC. A remote attacker can bypass WebRTC permissions prompt dialog.

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