AUGUST 4, 2026
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Case File

CVE-2020-12393

HIGH · CVSS 7.8 EPSS 1.01%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-05-26 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. It affects Windows, Firefox.

CVE
CVE-2020-12393
Severity
HIGH
CVSS
7.8
EPSS
1.01%
Windows Firefox

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)