CVE-2021-23998
Medium
Description
Through complicated navigations with new windows, an HTTP page could have inherited a secure lock icon from an HTTPS page. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Mozilla Firefox
PublishedJun 24, 2021
First seenJun 24, 2021
How to fix
Update
- mozilla firefox88.0 or later
- mozilla firefox_esr78.10 or later
- mozilla thunderbird78.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 88.0 | 88.0 |
| mozilla firefox_esr | v < 78.10 | 78.10 |
| mozilla thunderbird | v < 78.10 | 78.10 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.