CVE-2020-12393
High
Description
The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP method of a request, which can be controlled by the website. If a user used the 'Copy as cURL' feature and pasted the command into a terminal, it could have resulted in command injection and arbitrary command execution. *Note: this issue only affects Firefox on Windows operating systems.*. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Mozilla Firefox
PublishedMay 26, 2020
First seenMay 26, 2020
How to fix
Update
- mozilla firefox76.0 or later
- mozilla firefox_esr68.8.0 or later
- mozilla thunderbird68.8.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 76.0 | 76.0 |
| mozilla firefox_esr | v < 68.8.0 | 68.8.0 |
| mozilla thunderbird | v < 68.8.0 | 68.8.0 |
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.