CVE-2021-24002
High
Description
When a user clicked on an FTP URL containing encoded newline characters (%0A and %0D), the newlines would have been interpreted as such and allowed arbitrary commands to be sent to the FTP server. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
SeverityHigh
CVSS8.8
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 |
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