| 138586 | Scientific Linux Security Update : thunderbird on SL6.x i386/x86_64 (20200716) | Nessus | Scientific Linux Local Security Checks | 7/17/2020 | 3/1/2024 | high |
| 138589 | Mozilla Thunderbird < 78.0 | Nessus | Windows | 7/17/2020 | 11/18/2025 | high |
| 138933 | GLSA-202007-10 : Mozilla Firefox: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | 7/27/2020 | 2/28/2024 | high |
| 139041 | RHEL 8 : thunderbird (RHSA-2020:3038) | Nessus | Red Hat Local Security Checks | 7/28/2020 | 11/7/2024 | high |
| 171825 | Amazon Linux 2 : thunderbird (ALAS-2023-1945) | Nessus | Amazon Linux Local Security Checks | 2/23/2023 | 12/11/2024 | high |
| 146025 | CentOS 8 : firefox (CESA-2020:2828) | Nessus | CentOS Local Security Checks | 2/1/2021 | 1/24/2024 | high |
| 294530 | MiracleLinux 4 : thunderbird-68.10.0-1.AXS4 (AXSA:2020-225:05) | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | high |
| 244119 | Linux Distros Unpatched Vulnerability : CVE-2020-12420 | Nessus | Misc. | 8/6/2025 | 7/24/2026 | high |
| 138083 | Mozilla Firefox ESR < 68.10 | Nessus | Windows | 7/2/2020 | 11/18/2025 | high |
| 138085 | Mozilla Firefox < 78.0 | Nessus | Windows | 7/2/2020 | 11/18/2025 | high |
| 138141 | RHEL 8 : firefox (RHSA-2020:2825) | Nessus | Red Hat Local Security Checks | 7/7/2020 | 11/7/2024 | high |
| 138143 | RHEL 8 : firefox (RHSA-2020:2828) | Nessus | Red Hat Local Security Checks | 7/7/2020 | 11/7/2024 | high |
| 138145 | RHEL 6 : firefox (RHSA-2020:2824) | Nessus | Red Hat Local Security Checks | 7/7/2020 | 11/7/2024 | high |
| 138203 | Oracle Linux 6 : firefox (ELSA-2020-2824) | Nessus | Oracle Linux Local Security Checks | 7/8/2020 | 10/22/2024 | high |
| 138377 | CentOS 7 : firefox (RHSA-2020:2827) | Nessus | CentOS Local Security Checks | 7/10/2020 | 10/9/2024 | high |
| 138489 | Scientific Linux Security Update : thunderbird on SL7.x x86_64 (20200714) | Nessus | Scientific Linux Local Security Checks | 7/15/2020 | 3/1/2024 | high |
| 138588 | Mozilla Thunderbird < 78.0 | Nessus | MacOS X Local Security Checks | 7/17/2020 | 11/18/2025 | high |
| 138742 | openSUSE Security Update : MozillaThunderbird (openSUSE-2020-967) | Nessus | SuSE Local Security Checks | 7/20/2020 | 2/29/2024 | high |
| 138811 | RHEL 8 : thunderbird (RHSA-2020:3046) | Nessus | Red Hat Local Security Checks | 7/21/2020 | 11/7/2024 | high |
| 147312 | NewStart CGSL MAIN 4.06 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0002) | Nessus | NewStart CGSL Local Security Checks | 3/10/2021 | 4/25/2023 | critical |
