CVE-2020-12392

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.

• CWE-22

• https://bugzilla.mozilla.org/show_bug.cgi?id=1614468Issue Tracking, Permissions Required
• https://security.gentoo.org/glsa/202005-03Third Party Advisory
• https://security.gentoo.org/glsa/202005-04Third Party Advisory
• https://usn.ubuntu.com/4373-1/Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-16/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-17/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-18/Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1614468Issue Tracking, Permissions Required
• https://security.gentoo.org/glsa/202005-03Third Party Advisory
• https://security.gentoo.org/glsa/202005-04Third Party Advisory
• https://usn.ubuntu.com/4373-1/Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-16/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-17/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-18/Vendor Advisory

Published

May 26, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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