CVE-2020-6811

moderate-risk
Published 2020-03-25

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. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.

Do I need to act?

~
1.8% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (6)

Affected Vendors

Mozilla Canonical

References (12)

Exploit https://bugzilla.mozilla.org/show_bug.cgi?id=1607742
Third Party Advisory https://usn.ubuntu.com/4328-1/
Third Party Advisory https://usn.ubuntu.com/4335-1/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2020-08/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2020-09/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2020-10/
Exploit https://bugzilla.mozilla.org/show_bug.cgi?id=1607742
Third Party Advisory https://usn.ubuntu.com/4328-1/
Third Party Advisory https://usn.ubuntu.com/4335-1/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2020-08/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2020-09/
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2020-10/
48
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 5/34 · Minimal
Exposure 13/34 · Low