CVE-2020-12392
5.5
MEDIUM
CVSS 3.1
EPSS 0.09%
Description
The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP POST data 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 the disclosure of local files. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
How to fix CVE-2020-12392
To remediate CVE-2020-12392, upgrade the affected package to a fixed version below.
- —upgrade to 68.8.0esr-1 or later
- —upgrade to 1:68.8.0-1 or later
Is CVE-2020-12392 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 68.8.0esr-1
- from 0, < 1:68.8.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |