8.8
CVSSv3

CVE-2021-23972

Published: 26/02/2021 Updated: 23/05/2022
CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6
CVSS v3 Base Score: 8.8 | Impact Score: 5.9 | Exploitability Score: 2.8
VMScore: 605
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Vulnerability Summary

One phishing tactic on the web is to provide a link with HTTP Auth. For example 'www.phishingtarget.com@evil.com'. To mitigate this type of attack, Firefox will display a warning dialog; however, this warning dialog would not have been displayed if evil.com used a redirect that was cached by the browser. This vulnerability affects Firefox < 86.

Vulnerability Trend

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mozilla firefox

Vendor Advisories

Mozilla Foundation Security Advisory 2021-07 Security Vulnerabilities fixed in Firefox 86 Announced February 23, 2021 Impact high Products Firefox Fixed in Firefox 86 ...
A security issue was found in Firefox before version 860 One phishing tactic on the web is to provide a link with HTTP Auth For example wwwphishingtargetcom@evilcom To mitigate this type of attack, Firefox will display a warning dialog; however, this warning dialog would not have been displayed if evilcom used a redirect that was ca ...