| 146197 | Oracle Linux 6: thunderbird（ELSA-2020-5238） | Nessus | Oracle Linux Local Security Checks | 2021/2/4 | 2024/10/22 | high |
| 143910 | CentOS 7 : thunderbird (RHSA-2020:5235) | Nessus | CentOS Local Security Checks | 2020/12/9 | 2024/10/9 | high |
| 143224 | Debian DLA-2464-1: thunderbirdセキュリティ更新プログラム | Nessus | Debian Local Security Checks | 2020/11/24 | 2024/2/8 | high |
| 143278 | RHEL 6：thunderbird（RHSA-2020: 5238) | Nessus | Red Hat Local Security Checks | 2020/11/30 | 2024/11/7 | high |
| 143360 | Scientific Linux セキュリティ更新: SL7.x x86_64のfirefox（2020:5239） | Nessus | Scientific Linux Local Security Checks | 2020/11/30 | 2024/2/7 | high |
| 143372 | Oracle Linux 8：thunderbird（ELSA-2020-5236） | Nessus | Oracle Linux Local Security Checks | 2020/12/1 | 2024/10/23 | high |
| 293807 | MiracleLinux 4thunderbird-78.5.0-1.AXS4AXSA:2020-967:10 | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/1/20 | high |
| 143191 | Debian DSA-4796-1: thunderbird - セキュリティ更新プログラム | Nessus | Debian Local Security Checks | 2020/11/23 | 2024/2/8 | high |
| 142913 | Mozilla Firefox ESR < 78.5 | Nessus | Windows | 2020/11/17 | 2025/11/18 | critical |
| 143058 | Mozilla Thunderbird < 78.5 | Nessus | Windows | 2020/11/18 | 2025/11/18 | critical |
| 143281 | RHEL 8 : thunderbird (RHSA-2020:5232) | Nessus | Red Hat Local Security Checks | 2020/11/30 | 2024/11/7 | high |
| 143368 | Oracle Linux 7 : thunderbird (ELSA-2020-5235) | Nessus | Oracle Linux Local Security Checks | 2020/11/30 | 2024/10/22 | high |
| 143378 | Oracle Linux 7 : firefox (ELSA-2020-5239) | Nessus | Oracle Linux Local Security Checks | 2020/12/1 | 2024/10/23 | high |
| 146197 | Oracle Linux 6 : thunderbird (ELSA-2020-5238) | Nessus | Oracle Linux Local Security Checks | 2021/2/4 | 2024/10/22 | high |
| 143910 | CentOS 7 : thunderbird (RHSA-2020:5235) | Nessus | CentOS Local Security Checks | 2020/12/9 | 2024/10/9 | 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 |
| 246016 | Linux Distros Unpatched Vulnerability : CVE-2020-26953 | Nessus | Misc. | 2025/8/8 | 2025/8/8 | medium |
| 143121 | Ubuntu 18.04 LTS / 20.04 LTS : Firefox vulnerabilities (USN-4637-1) | Nessus | Ubuntu Local Security Checks | 2020/11/19 | 2024/8/27 | high |
| 143127 | Ubuntu 16.04 LTS : Firefox vulnerabilities (USN-4637-2) | Nessus | Ubuntu Local Security Checks | 2020/11/20 | 2024/10/29 | high |
| 143133 | Debian DLA-2457-1 : firefox-esr security update | Nessus | Debian Local Security Checks | 2020/11/20 | 2024/2/8 | high |
| 143359 | Scientific Linux Security Update : thunderbird on SL7.x i686/x86_64 (2020:5235) | Nessus | Scientific Linux Local Security Checks | 2020/11/30 | 2024/2/7 | high |
| 143369 | RHEL 7 : thunderbird (RHSA-2020:5235) | Nessus | Red Hat Local Security Checks | 2020/12/1 | 2024/11/7 | high |
| 143370 | RHEL 7 : firefox (RHSA-2020:5239) | Nessus | Red Hat Local Security Checks | 2020/12/1 | 2024/11/7 | high |
| 143377 | Oracle Linux 8 : firefox (ELSA-2020-5237) | Nessus | Oracle Linux Local Security Checks | 2020/12/1 | 2024/10/23 | high |
| 144798 | Amazon Linux 2 : thunderbird (ALAS-2021-1586) | Nessus | Amazon Linux Local Security Checks | 2021/1/7 | 2024/12/11 | high |
| 208518 | CentOS 6 : firefox (RHSA-2020:5257) | Nessus | CentOS Local Security Checks | 2024/10/9 | 2024/10/9 | high |
| 294225 | MiracleLinux 8 : thunderbird-78.8.0-1.0.1.el8 (AXSA:2021-1569:03) | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/2/4 | high |
| 143267 | Ubuntu 20.10 : Thunderbird vulnerabilities (USN-4647-1) | Nessus | Ubuntu Local Security Checks | 2020/11/26 | 2024/8/27 | critical |
| 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 |
| 142912 | Mozilla Firefox ESR < 78.5 | Nessus | MacOS X Local Security Checks | 2020/11/17 | 2025/11/18 | critical |
| 143357 | openSUSE Security Update : MozillaThunderbird (openSUSE-2020-2096) | Nessus | SuSE Local Security Checks | 2020/11/30 | 2025/2/6 | critical |
| 143745 | SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2020:3383-1) | Nessus | SuSE Local Security Checks | 2020/12/9 | 2025/2/6 | critical |
| 150523 | SUSE SLES11 Security Update : MozillaFirefox (SUSE-SU-2020:14548-1) | Nessus | SuSE Local Security Checks | 2021/6/10 | 2025/2/6 | critical |
| 143275 | RHEL 8 : firefox (RHSA-2020:5234) | Nessus | Red Hat Local Security Checks | 2020/11/30 | 2024/11/7 | high |
| 143276 | RHEL 8 : thunderbird (RHSA-2020:5236) | Nessus | Red Hat Local Security Checks | 2020/11/30 | 2024/11/7 | high |
| 143277 | RHEL 8 : thunderbird (RHSA-2020:5240) | Nessus | Red Hat Local Security Checks | 2020/11/30 | 2024/11/7 | high |
| 143279 | RHEL 8 : thunderbird (RHSA-2020:5231) | Nessus | Red Hat Local Security Checks | 2020/11/30 | 2024/11/7 | high |
| 145070 | RHEL 8 : firefox (RHSA-2020:5314) | Nessus | Red Hat Local Security Checks | 2021/1/19 | 2024/11/7 | high |
| 146200 | Oracle Linux 6 : firefox (ELSA-2020-5257) | Nessus | Oracle Linux Local Security Checks | 2021/2/4 | 2024/10/22 | high |
| 143130 | Debian DSA-4793-1 : firefox-esr - security update | Nessus | Debian Local Security Checks | 2020/11/20 | 2024/2/8 | high |
| 208508 | CentOS 6 : thunderbird (RHSA-2020:5238) | Nessus | CentOS Local Security Checks | 2024/10/9 | 2024/10/9 | high |
| 142911 | Mozilla Firefox < 83.0 | Nessus | MacOS X Local Security Checks | 2020/11/17 | 2025/11/18 | critical |
| 143059 | Mozilla Thunderbird < 78.5 | Nessus | MacOS X Local Security Checks | 2020/11/18 | 2025/11/18 | critical |
| 143352 | openSUSE Security Update : MozillaFirefox (openSUSE-2020-2020) | Nessus | SuSE Local Security Checks | 2020/11/30 | 2025/2/6 | critical |
| 143540 | openSUSE Security Update : MozillaThunderbird (openSUSE-2020-2187) | Nessus | SuSE Local Security Checks | 2020/12/8 | 2025/2/6 | critical |
| 143723 | SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2020:3458-1) | Nessus | SuSE Local Security Checks | 2020/12/9 | 2025/2/6 | critical |
| 143280 | RHEL 8 : firefox (RHSA-2020:5233) | Nessus | Red Hat Local Security Checks | 2020/11/30 | 2024/11/7 | high |
