| 142165 | openSUSE Security Update : MozillaThunderbird and mozilla-nspr (openSUSE-2020-1780) | Nessus | SuSE Local Security Checks | 2020/11/2 | 2020/11/12 | critical |
| 208512 | CentOS 6 : firefox (RHSA-2020:3835) | Nessus | CentOS Local Security Checks | 2024/10/9 | 2024/10/9 | high |
| 208548 | CentOS 7 : firefox (RHSA-2020:4080) | Nessus | CentOS Local Security Checks | 2024/10/9 | 2024/10/9 | high |
| 293931 | MiracleLinux 8 : thunderbird-78.3.1-1.0.1.el8_2 (AXSA:2020-872:09) | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/1/20 | high |
| 147286 | NewStart CGSL MAIN 6.02 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0081) | Nessus | NewStart CGSL Local Security Checks | 2021/3/10 | 2022/5/10 | critical |
| 147352 | NewStart CGSL MAIN 6.02 : firefox Multiple Vulnerabilities (NS-SA-2021-0065) | Nessus | NewStart CGSL Local Security Checks | 2021/3/10 | 2022/5/10 | critical |
| 149335 | NewStart CGSL CORE 5.04 / MAIN 5.04 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0025) | Nessus | NewStart CGSL Local Security Checks | 2021/5/7 | 2022/5/10 | critical |
| 154529 | NewStart CGSL CORE 5.05 / MAIN 5.05 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0172) | Nessus | NewStart CGSL Local Security Checks | 2021/10/27 | 2022/5/9 | critical |
| 140732 | Mozilla Firefox < 81.0 | Nessus | Windows | 2020/9/22 | 2025/11/18 | high |
| 140734 | Mozilla Firefox ESR < 78.3 | Nessus | Windows | 2020/9/22 | 2025/11/18 | high |
| 140780 | RHEL 8 : firefox (RHSA-2020:3832) | Nessus | Red Hat Local Security Checks | 2020/9/24 | 2024/11/7 | high |
| 140925 | Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Firefox vulnerabilities (USN-4546-1) | Nessus | Ubuntu Local Security Checks | 2020/9/28 | 2024/8/29 | high |
| 141126 | RHEL 6 : thunderbird (RHSA-2020:4158) | Nessus | Red Hat Local Security Checks | 2020/10/2 | 2024/11/7 | high |
| 141305 | RHEL 8 : thunderbird (RHSA-2020:4155) | Nessus | Red Hat Local Security Checks | 2020/10/8 | 2024/11/7 | high |
| 141414 | Oracle Linux 7 : firefox (ELSA-2020-4080) | Nessus | Oracle Linux Local Security Checks | 2020/10/13 | 2024/10/22 | high |
| 143070 | RHEL 7 : thunderbird (RHSA-2020:4163) | Nessus | Red Hat Local Security Checks | 2020/11/19 | 2024/11/7 | high |
| 143210 | Oracle Linux 6 : thunderbird (ELSA-2020-4158) | Nessus | Oracle Linux Local Security Checks | 2020/11/24 | 2024/10/22 | high |
| 143808 | SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2020:2747-1) | Nessus | SuSE Local Security Checks | 2020/12/9 | 2024/2/5 | high |
| 145845 | CentOS 8 : thunderbird (CESA-2020:4155) | Nessus | CentOS Local Security Checks | 2021/2/1 | 2021/3/23 | high |
| 208510 | CentOS 6 : thunderbird (RHSA-2020:4158) | Nessus | CentOS Local Security Checks | 2024/10/9 | 2024/10/9 | high |
| 245556 | Linux Distros Unpatched Vulnerability : CVE-2020-15673 | Nessus | Misc. | 2025/8/7 | 2025/8/7 | high |
| 140733 | Mozilla Firefox ESR < 78.3 | Nessus | MacOS X Local Security Checks | 2020/9/22 | 2025/11/18 | high |
| 141124 | RHEL 8 : thunderbird (RHSA-2020:4157) | Nessus | Red Hat Local Security Checks | 2020/10/2 | 2024/11/7 | high |
| 141127 | RHEL 8 : thunderbird (RHSA-2020:4156) | Nessus | Red Hat Local Security Checks | 2020/10/2 | 2024/11/7 | high |
| 141150 | Scientific Linux Security Update : thunderbird on SL6.x i386/x86_64 (20201001) | Nessus | Scientific Linux Local Security Checks | 2020/10/5 | 2024/2/16 | high |
| 141156 | openSUSE Security Update : MozillaFirefox (openSUSE-2020-1555) | Nessus | SuSE Local Security Checks | 2020/10/5 | 2024/2/16 | high |
| 141243 | Debian DSA-4770-1 : thunderbird - security update | Nessus | Debian Local Security Checks | 2020/10/7 | 2024/2/16 | high |
| 141656 | Scientific Linux Security Update : thunderbird on SL7.x x86_64 (20201001) | Nessus | Scientific Linux Local Security Checks | 2020/10/21 | 2024/2/14 | high |
| 142196 | openSUSE Security Update : MozillaThunderbird and mozilla-nspr (openSUSE-2020-1785) | Nessus | SuSE Local Security Checks | 2020/11/2 | 2020/11/12 | critical |
| 142897 | Oracle Linux 6 : firefox (ELSA-2020-3835) | Nessus | Oracle Linux Local Security Checks | 2020/11/14 | 2024/10/22 | high |
| 143085 | RHEL 7 : firefox (RHSA-2020:4080) | Nessus | Red Hat Local Security Checks | 2020/11/19 | 2024/11/7 | high |
| 143829 | SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2020:2759-1) | Nessus | SuSE Local Security Checks | 2020/12/9 | 2024/2/5 | high |
| 150560 | SUSE SLES11 Security Update : MozillaFirefox (SUSE-SU-2020:14502-1) | Nessus | SuSE Local Security Checks | 2021/6/10 | 2021/6/10 | high |
| 275646 | Mozilla Thunderbird < 78.3 | Nessus | Windows | 2025/11/18 | 2025/11/18 | high |
| 294266 | MiracleLinux 4 : firefox-78.3.0-1.0.1.AXS4 (AXSA:2020-825:20) | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/1/20 | high |
| 147399 | NewStart CGSL CORE 5.04 / MAIN 5.04 : firefox Multiple Vulnerabilities (NS-SA-2021-0018) | Nessus | NewStart CGSL Local Security Checks | 2021/3/10 | 2022/5/10 | critical |
| 140731 | Mozilla Firefox < 81.0 | Nessus | MacOS X Local Security Checks | 2020/9/22 | 2025/11/18 | high |
| 140783 | Oracle Linux 8 : firefox (ELSA-2020-3832) | Nessus | Oracle Linux Local Security Checks | 2020/9/24 | 2024/10/22 | high |
| 141413 | Oracle Linux 7 : thunderbird (ELSA-2020-4163) | Nessus | Oracle Linux Local Security Checks | 2020/10/13 | 2024/10/22 | high |
| 141508 | Debian DLA-2408-1 : thunderbird security update | Nessus | Debian Local Security Checks | 2020/10/19 | 2024/2/15 | high |
| 208644 | CentOS 7 : thunderbird (RHSA-2020:4163) | Nessus | CentOS Local Security Checks | 2024/10/9 | 2024/10/9 | high |
| 275651 | Mozilla Thunderbird < 78.3 | Nessus | MacOS X Local Security Checks | 2025/11/18 | 2025/11/18 | high |
| 143586 | Amazon Linux 2 : thunderbird (ALAS-2020-1572) | Nessus | Amazon Linux Local Security Checks | 2020/12/9 | 2024/12/11 | 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 |
| 141081 | openSUSE Security Update : MozillaFirefox (openSUSE-2020-1574) | Nessus | SuSE Local Security Checks | 2020/9/30 | 2024/2/16 | high |
| 141104 | Scientific Linux Security Update : firefox on SL6.x i386/x86_64 (20200924) | Nessus | Scientific Linux Local Security Checks | 2020/10/1 | 2024/2/16 | high |
| 141130 | Oracle Linux 8 : thunderbird (ELSA-2020-4155) | Nessus | Oracle Linux Local Security Checks | 2020/10/5 | 2024/10/23 | high |
| 143647 | SUSE SLED15 / SLES15 Security Update : MozillaThunderbird / mozilla-nspr (SUSE-SU-2020:3091-1) | Nessus | SuSE Local Security Checks | 2020/12/9 | 2024/2/6 | critical |
| 294072 | MiracleLinux 4 : thunderbird-78.3.1-1.0.1.AXS4 (AXSA:2020-833:08) | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/1/20 | high |
| 154543 | NewStart CGSL CORE 5.05 / MAIN 5.05 : firefox Multiple Vulnerabilities (NS-SA-2021-0154) | Nessus | NewStart CGSL Local Security Checks | 2021/10/27 | 2022/5/9 | critical |
