Spoofing attack in Mozilla Firefox - CVE-2020-12394
Published: May 5, 2020
Vulnerability identifier: #VU27537
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-12394
CWE-ID: CWE-451
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox
Mozilla Firefox
Detailed vulnerability description
The vulnerability allows a local user to perform spoofing attack.
The vulnerability exists due to a logic flaw in the location bar implementation. A local user can spoof the current location by selecting a different origin and removing focus from the input element.
How to mitigate CVE-2020-12394
Install updates from vendor's website.