CVE-2020-6811: Command Injection
First published: Tue Mar 10 2020(Updated: )
Last updated 24 July 2024
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Firefox ESR | <68.6 | 68.6 |
| Mozilla Thunderbird | <68.6 | 68.6 |
| redhat/firefox | <68.6 | 68.6 |
| redhat/thunderbird | <68.6 | 68.6 |
| Mozilla Firefox | <74 | 74 |
| Mozilla Firefox | <74.0 | |
| Mozilla Firefox ESR | <68.6.0 | |
| Mozilla Thunderbird | <68.6.0 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =19.10 | |
| debian/firefox | 133.0.3-1 | |
| debian/firefox-esr | 115.14.0esr-1~deb11u1 128.5.0esr-1~deb11u1 128.3.1esr-1~deb12u1 128.5.0esr-1~deb12u1 128.5.0esr-1 128.5.1esr-1 | |
| debian/thunderbird | 1:115.12.0-1~deb11u1 1:128.5.0esr-1~deb11u1 1:115.16.0esr-1~deb12u1 1:128.5.0esr-1~deb12u1 1:128.5.2esr-1 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1607742
- https://www.mozilla.org/security/advisories/mfsa2020-08/
- https://www.mozilla.org/security/advisories/mfsa2020-09/
- https://www.mozilla.org/security/advisories/mfsa2020-10/
- https://usn.ubuntu.com/4328-1/
- https://usn.ubuntu.com/4335-1/
- https://launchpad.net/bugs/cve/CVE-2020-6811
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-09/
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-10/
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-09/#CVE-2020-6811
- https://access.redhat.com/errata/RHSA-2020:0815
- https://access.redhat.com/errata/RHSA-2020:0816
- https://access.redhat.com/security/cve/cve-2020-6811
- https://access.redhat.com/errata/RHSA-2020:0819
- https://access.redhat.com/errata/RHSA-2020:0820
- https://access.redhat.com/errata/RHSA-2020:0905
- https://access.redhat.com/errata/RHSA-2020:0918
- https://access.redhat.com/errata/RHSA-2020:0919
- https://access.redhat.com/errata/RHSA-2020:0914
- https://bugzilla.redhat.com/show_bug.cgi?id=1812202
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-08/
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-08/#CVE-2020-6806
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-10/#CVE-2020-6811
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-08/#CVE-2020-6811
- https://security-tracker.debian.org/tracker/CVE-2020-6811
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6811
- https://nvd.nist.gov/vuln/detail/CVE-2020-6811
- https://ubuntu.com/security/CVE-2020-6811
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is CVE-2020-6811?
CVE-2020-6811 is a vulnerability in Mozilla Firefox and Thunderbird that allows command injection and arbitrary command execution.
How does CVE-2020-6811 work?
CVE-2020-6811 works by not properly escaping the HTTP method of a request in the 'Copy as cURL' feature of Devtools' network tab.
Which software is affected by CVE-2020-6811?
Mozilla Firefox (up to version 74), Thunderbird (up to version 68.6), and Firefox ESR (up to version 68.6) are affected by CVE-2020-6811.
What is the severity of CVE-2020-6811?
The severity of CVE-2020-6811 is rated as medium.
How can I fix CVE-2020-6811?
To fix CVE-2020-6811, update Mozilla Firefox to version 75 or later, Thunderbird to version 68.7 or later, or Firefox ESR to version 68.7 or later.
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