CVE-2020-12409 Information

Description

When using certain blank characters in a URL they where incorrectly rendered as spaces instead of an encoded URL. This vulnerability affects Firefox 77.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1629506 https://www.mozilla.org/security/advisories/mfsa2020-20/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8