#VU25853 Permissions, Privileges, and Access Controls

Published: 2020-03-10

Vulnerability identifier: #VU25853

Vulnerability risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-6809


Exploitation vector: Network

Exploit availability: No

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

Vendor: Mozilla


The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to Web Extension with all-urls permissions is allowed to access local files. A remote attacker can trick the victim into installing a malicious browser extension and gain access to sensitive information on the system.

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 65.0 - 73.0.1


External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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

Latest bulletins with this vulnerability