| 294544 | MiracleLinux 4 : firefox-68.7.0-2.0.1.AXS4 (AXSA:2020-4717:09) | Nessus | Miracle Linux Local Security Checks | 1/20/2026 | 1/20/2026 | critical |
| 137246 | RHEL 8 : firefox (RHSA-2020:1406) | Nessus | Red Hat Local Security Checks | 6/9/2020 | 11/7/2024 | critical |
| 135397 | SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2020:0978-1) | Nessus | SuSE Local Security Checks | 4/10/2020 | 3/19/2024 | critical |
| 135417 | Debian DSA-4656-1 : thunderbird - security update | Nessus | Debian Local Security Checks | 4/14/2020 | 12/6/2022 | critical |
| 135455 | Ubuntu 18.04 LTS : Thunderbird vulnerabilities (USN-4328-1) | Nessus | Ubuntu Local Security Checks | 4/14/2020 | 8/27/2024 | critical |
| 135684 | RHEL 7 : thunderbird (RHSA-2020:1489) | Nessus | Red Hat Local Security Checks | 4/16/2020 | 11/7/2024 | critical |
| 135692 | RHEL 8 : thunderbird (RHSA-2020:1495) | Nessus | Red Hat Local Security Checks | 4/16/2020 | 11/7/2024 | critical |
| 135715 | Oracle Linux 7 : thunderbird (ELSA-2020-1489) | Nessus | Oracle Linux Local Security Checks | 4/17/2020 | 10/22/2024 | critical |
| 136194 | CentOS 7 : thunderbird (RHSA-2020:1489) | Nessus | CentOS Local Security Checks | 5/1/2020 | 10/9/2024 | critical |
| 136752 | Amazon Linux 2 : thunderbird (ALAS-2020-1429) | Nessus | Amazon Linux Local Security Checks | 5/21/2020 | 12/11/2024 | critical |
| 143948 | NewStart CGSL CORE 5.05 / MAIN 5.05 : firefox Multiple Vulnerabilities (NS-SA-2020-0097) | Nessus | NewStart CGSL Local Security Checks | 12/9/2020 | 4/25/2023 | critical |
| 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 |
| 246247 | Linux Distros Unpatched Vulnerability : CVE-2020-6821 | Nessus | Misc. | 8/8/2025 | 7/24/2026 | high |
| 208586 | CentOS 7 : firefox (RHSA-2020:1420) | Nessus | CentOS Local Security Checks | 10/9/2024 | 10/9/2024 | critical |
| 135288 | RHEL 7 : firefox (RHSA-2020:1420) | Nessus | Red Hat Local Security Checks | 4/9/2020 | 11/7/2024 | critical |
| 135431 | Oracle Linux 7 : firefox (ELSA-2020-1420) | Nessus | Oracle Linux Local Security Checks | 4/14/2020 | 10/23/2024 | critical |
| 135845 | Scientific Linux Security Update : thunderbird on SL7.x x86_64 (20200416) | Nessus | Scientific Linux Local Security Checks | 4/21/2020 | 12/6/2022 | critical |
| 180923 | Oracle Linux 6 : thunderbird (ELSA-2020-1488) | Nessus | Oracle Linux Local Security Checks | 9/7/2023 | 9/8/2023 | critical |
| 147407 | NewStart CGSL MAIN 4.06 : firefox Multiple Vulnerabilities (NS-SA-2021-0004) | Nessus | NewStart CGSL Local Security Checks | 3/10/2021 | 4/25/2023 | critical |
