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CVE-2020-6811

Date: March 25, 2020

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.

Severity Score

Related Resources (12)

https://www.mozilla.org/security/advisories/mfsa2020-09/
https://nvd.nist.gov/vuln/detail/CVE-2020-6811
https://www.mozilla.org/security/advisories/mfsa2020-08/
https://usn.ubuntu.com/4335-1/
https://usn.ubuntu.com/4328-1/
https://access.redhat.com/security/cve/CVE-2020-6811
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-6811
https://security.alpinelinux.org/vuln/CVE-2020-6811
https://www.mozilla.org/security/advisories/mfsa2020-10/
https://security-tracker.debian.org/tracker/CVE-2020-6811
https://bugzilla.mozilla.org/show_bug.cgi?id=1607742
https://www.mend.io/vulnerability-database/CVE-2020-6811

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements used in a Command ('Command Injection')

CWE-77

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-74

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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