#VU27537 Spoofing attack

Published: 2020-05-05

Vulnerability identifier: #VU27537

Vulnerability risk: Low

CVSSv3.1: 2.8 [CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-12394


Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Mozilla Firefox
Client/Desktop applications / Web browsers

Vendor: Mozilla


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.

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 70.0 - 75.0


External links

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

Latest bulletins with this vulnerability