CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 6.5. It affects Firefox.
CVE
CVE-2021-43542
Severity
MEDIUM
CVSS
6.5
EPSS
1.71%
Firefox
Original NVD Description
Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Related CVEs
Other vulnerabilities affecting the same vendor(s)