Permissions, Privileges, and Access Controls in Mozilla Firefox and Firefox ESR - CVE-2020-26978
Published: December 15, 2020
Vulnerability identifier: #VU49020
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-26978
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mozilla Firefox
Firefox ESR
Mozilla Firefox
Firefox ESR
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to application does not properly impose security restrictions. A remote attacker can create a specially crafted webpage and send probes to hosts in internal network as well as to services on the user's local machine.
Remediation
Install updates from vendor's website.