Vulnerability CVE-2021-43533


Published: 2021-12-08   Modified: 2021-12-09

Description:
When parsing internationalized domain names, high bits of the characters in the URLs were sometimes stripped, resulting in inconsistencies that could lead to user confusion or attacks such as phishing. This vulnerability affects Firefox < 94.

Type:

NVD-CWE-noinfo

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Mozilla -> Firefox 

 References:
https://bugzilla.mozilla.org/show_bug.cgi?id=1724233
https://www.mozilla.org/security/advisories/mfsa2021-48/

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