Spoofing attack in Mozilla Firefox - CVE-2021-23972
Published: February 23, 2021
Vulnerability identifier: #VU50886
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-23972
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox
Mozilla Firefox
Detailed vulnerability description
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of cached redirects with HTTP authentication. A remote attacker can force the browser not to display a phishing warning dialog, if the malicious website was previously cached by the browser.
How to mitigate CVE-2021-23972
Install updates from vendor's website.