CVE-2020-12405medium
New! CVE Severity Now Using CVSS v3
The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.
Description
When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.
References
https://www.mozilla.org/security/advisories/mfsa2020-20/
https://www.mozilla.org/security/advisories/mfsa2020-21/
https://www.mozilla.org/security/advisories/mfsa2020-22/
Details
Source: MITRE
Published: 2020-07-09
Updated: 2021-07-21
Type: CWE-416
Risk Information
CVSS v2
Base Score: 2.6
Vector: AV:N/AC:H/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 4.9
Severity: LOW
CVSS v3
Base Score: 5.3
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.6
Severity: MEDIUM
Vulnerable Software
Configuration 1
OR
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Tenable Plugins
| ID | Name | Product | Family | Severity |
|---|---|---|---|---|
| 150602 | SUSE SLES11 Security Update : MozillaFirefox (SUSE-SU-2020:14389-1) | Nessus | SuSE Local Security Checks | high |
| 147407 | NewStart CGSL MAIN 4.06 : firefox Multiple Vulnerabilities (NS-SA-2021-0004) | Nessus | NewStart CGSL Local Security Checks | critical |
| 147312 | NewStart CGSL MAIN 4.06 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0002) | Nessus | NewStart CGSL Local Security Checks | critical |
| 146029 | CentOS 8 : firefox (CESA-2020:2379) | Nessus | CentOS Local Security Checks | high |
| 145956 | CentOS 8 : thunderbird (CESA-2020:2614) | Nessus | CentOS Local Security Checks | high |
| 144001 | NewStart CGSL CORE 5.04 / MAIN 5.04 : thunderbird Multiple Vulnerabilities (NS-SA-2020-0083) | Nessus | NewStart CGSL Local Security Checks | high |
| 143928 | NewStart CGSL CORE 5.04 / MAIN 5.04 : firefox Multiple Vulnerabilities (NS-SA-2020-0064) | Nessus | NewStart CGSL Local Security Checks | critical |
| 143075 | RHEL 6 : firefox (RHSA-2020:2378) | Nessus | Red Hat Local Security Checks | high |
| 138677 | openSUSE Security Update : MozillaThunderbird (openSUSE-2020-799) | Nessus | SuSE Local Security Checks | high |
| 138628 | Amazon Linux 2 : thunderbird (ALAS-2020-1462) | Nessus | Amazon Linux Local Security Checks | high |
| 138326 | Ubuntu 16.04 LTS / 18.04 LTS / 19.10 / 20.04 : Thunderbird vulnerabilities (USN-4421-1) | Nessus | Ubuntu Local Security Checks | high |
| 138201 | Oracle Linux 6 : thunderbird (ELSA-2020-2613) | Nessus | Oracle Linux Local Security Checks | high |
| 137881 | RHEL 8 : firefox (RHSA-2020:2382) | Nessus | Red Hat Local Security Checks | high |
| 137768 | Oracle Linux 8 : thunderbird (ELSA-2020-2614) | Nessus | Oracle Linux Local Security Checks | high |
| 137741 | Scientific Linux Security Update : thunderbird on SL7.x x86_64 (20200622) | Nessus | Scientific Linux Local Security Checks | high |
| 137730 | CentOS 7 : thunderbird (CESA-2020:2615) | Nessus | CentOS Local Security Checks | high |
| 137729 | CentOS 6 : thunderbird (CESA-2020:2613) | Nessus | CentOS Local Security Checks | high |
| 137709 | RHEL 7 : thunderbird (RHSA-2020:2615) | Nessus | Red Hat Local Security Checks | high |
| 137704 | RHEL 8 : thunderbird (RHSA-2020:2614) | Nessus | Red Hat Local Security Checks | high |
| 137698 | Scientific Linux Security Update : thunderbird on SL6.x i386/x86_64 (20200619) | Nessus | Scientific Linux Local Security Checks | high |
| 137696 | Oracle Linux 7 : thunderbird (ELSA-2020-2615) | Nessus | Oracle Linux Local Security Checks | high |
| 137666 | RHEL 8 : thunderbird (RHSA-2020:2611) | Nessus | Red Hat Local Security Checks | high |
| 137665 | RHEL 6 : thunderbird (RHSA-2020:2613) | Nessus | Red Hat Local Security Checks | high |
| 137664 | RHEL 8 : thunderbird (RHSA-2020:2616) | Nessus | Red Hat Local Security Checks | high |
| 137596 | SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2020:1563-1) | Nessus | SuSE Local Security Checks | high |
| 137594 | SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2020:1556-1) | Nessus | SuSE Local Security Checks | high |
| 137456 | GLSA-202006-19 : Mozilla Thunderbird: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | high |
| 137444 | GLSA-202006-07 : Mozilla Firefox: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | high |
| 137417 | Debian DLA-2247-1 : thunderbird security update | Nessus | Debian Local Security Checks | high |
| 137375 | Debian DSA-4702-1 : thunderbird - security update | Nessus | Debian Local Security Checks | high |
| 137349 | openSUSE Security Update : MozillaFirefox (openSUSE-2020-789) | Nessus | SuSE Local Security Checks | high |
| 137284 | Debian DLA-2243-1 : firefox-esr security update | Nessus | Debian Local Security Checks | high |
| 137221 | Oracle Linux 7 : firefox (ELSA-2020-2381) | Nessus | Oracle Linux Local Security Checks | high |
| 137220 | Oracle Linux 8 : firefox (ELSA-2020-2379) | Nessus | Oracle Linux Local Security Checks | high |
| 137179 | Ubuntu 16.04 LTS / 18.04 LTS / 19.10 / 20.04 : firefox vulnerabilities (USN-4383-1) | Nessus | Ubuntu Local Security Checks | high |
| 137177 | Slackware 14.2 / current : mozilla-thunderbird (SSA:2020-156-01) | Nessus | Slackware Local Security Checks | high |
| 137176 | Scientific Linux Security Update : firefox on SL7.x x86_64 (20200603) | Nessus | Scientific Linux Local Security Checks | high |
| 137175 | Scientific Linux Security Update : firefox on SL6.x i386/x86_64 (20200603) | Nessus | Scientific Linux Local Security Checks | high |
| 137155 | Debian DSA-4695-1 : firefox-esr - security update | Nessus | Debian Local Security Checks | high |
| 137150 | CentOS 7 : firefox (CESA-2020:2381) | Nessus | CentOS Local Security Checks | high |
| 137087 | Mozilla Thunderbird < 68.9.0 | Nessus | Windows | high |
| 137086 | Mozilla Thunderbird < 68.9.0 | Nessus | MacOS X Local Security Checks | high |
| 137083 | RHEL 7 : firefox (RHSA-2020:2381) | Nessus | Red Hat Local Security Checks | high |
| 137069 | RHEL 8 : firefox (RHSA-2020:2379) | Nessus | Red Hat Local Security Checks | high |
| 137066 | RHEL 8 : firefox (RHSA-2020:2380) | Nessus | Red Hat Local Security Checks | high |
| 137051 | Mozilla Firefox ESR < 68.9 | Nessus | Windows | medium |
| 137050 | Mozilla Firefox ESR < 68.9 | Nessus | MacOS X Local Security Checks | medium |
| 137049 | Mozilla Firefox < 77.0 | Nessus | Windows | high |
| 137048 | Mozilla Firefox < 77.0 | Nessus | MacOS X Local Security Checks | high |