| 246247 | Linux Distros Unpatched Vulnerability : CVE-2020-6821 | Nessus | Misc. | 2025/8/8 | 2026/7/24 | high |
| 208586 | CentOS 7 : firefox (RHSA-2020:1420) | Nessus | CentOS Local Security Checks | 2024/10/9 | 2024/10/9 | critical |
| 135288 | RHEL 7 : firefox (RHSA-2020:1420) | Nessus | Red Hat Local Security Checks | 2020/4/9 | 2024/11/7 | critical |
| 135431 | Oracle Linux 7 : firefox (ELSA-2020-1420) | Nessus | Oracle Linux Local Security Checks | 2020/4/14 | 2024/10/23 | critical |
| 180923 | Oracle Linux 6 : thunderbird (ELSA-2020-1488) | Nessus | Oracle Linux Local Security Checks | 2023/9/7 | 2023/9/8 | critical |
| 135845 | Scientific Linux Security Update : thunderbird on SL7.x x86_64 (20200416) | Nessus | Scientific Linux Local Security Checks | 2020/4/21 | 2022/12/6 | critical |
| 147407 | NewStart CGSL MAIN 4.06 : firefox Multiple Vulnerabilities (NS-SA-2021-0004) | Nessus | NewStart CGSL Local Security Checks | 2021/3/10 | 2023/4/25 | critical |
| 135280 | Slackware 14.2 / current : mozilla-firefox (SSA:2020-098-01) | Nessus | Slackware Local Security Checks | 2020/4/8 | 2024/3/19 | critical |
| 135844 | Scientific Linux Security Update : firefox on SL7.x x86_64 (20200409) | Nessus | Scientific Linux Local Security Checks | 2020/4/21 | 2024/3/15 | critical |
| 135947 | GLSA-202004-11 : Mozilla Firefox: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | 2020/4/24 | 2024/3/14 | critical |
| 136016 | CentOS 6 : firefox (RHSA-2020:1429) | Nessus | CentOS Local Security Checks | 2020/4/28 | 2024/10/9 | critical |
| 135446 | openSUSE Security Update : MozillaFirefox (openSUSE-2020-493) | Nessus | SuSE Local Security Checks | 2020/4/14 | 2024/3/19 | critical |
| 135275 | Mozilla Firefox < 75.0 | Nessus | MacOS X Local Security Checks | 2020/4/7 | 2025/11/18 | critical |
| 135415 | RHEL 6 : firefox (RHSA-2020:1429) | Nessus | Red Hat Local Security Checks | 2020/4/14 | 2024/11/7 | critical |
| 180702 | Oracle Linux 6 : firefox (ELSA-2020-1429) | Nessus | Oracle Linux Local Security Checks | 2023/9/7 | 2024/10/22 | critical |
| 135363 | Debian DLA-2170-1 : firefox-esr security update | Nessus | Debian Local Security Checks | 2020/4/10 | 2024/3/19 | critical |
| 135747 | Oracle Linux 8 : thunderbird (ELSA-2020-1495) | Nessus | Oracle Linux Local Security Checks | 2020/4/20 | 2024/10/22 | critical |
| 136007 | openSUSE Security Update : MozillaThunderbird (openSUSE-2020-544) | Nessus | SuSE Local Security Checks | 2020/4/27 | 2022/12/5 | critical |
| 136017 | CentOS 6 : thunderbird (RHSA-2020:1488) | Nessus | CentOS Local Security Checks | 2020/4/28 | 2024/10/9 | critical |
| 145858 | CentOS 8 : thunderbird (CESA-2020:1495) | Nessus | CentOS Local Security Checks | 2021/2/1 | 2023/4/25 | critical |
