| 144299 | Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Firefox vulnerabilities (USN-4671-1) | Nessus | Ubuntu Local Security Checks | 2020/12/16 | 2024/8/27 | critical |
| 144285 | Mozilla Thunderbird < 78.6 | Nessus | MacOS X Local Security Checks | 2020/12/15 | 2025/11/18 | high |
| 144353 | Debian DSA-4813-1 : firefox-esr - security update | Nessus | Debian Local Security Checks | 2020/12/17 | 2024/2/1 | high |
| 144367 | Scientific Linux Security Update : firefox on SL7.x i686/x86_64 (2020:5561) | Nessus | Scientific Linux Local Security Checks | 2020/12/17 | 2024/2/1 | high |
| 144406 | RHEL 8 : firefox (RHSA-2020:5563) | Nessus | Red Hat Local Security Checks | 2020/12/18 | 2024/11/7 | high |
| 144422 | RHEL 8 : firefox (RHSA-2020:5562) | Nessus | Red Hat Local Security Checks | 2020/12/18 | 2024/11/7 | high |
| 144511 | RHEL 8 : thunderbird (RHSA-2020:5645) | Nessus | Red Hat Local Security Checks | 2020/12/22 | 2024/11/7 | high |
| 144512 | RHEL 8 : thunderbird (RHSA-2020:5644) | Nessus | Red Hat Local Security Checks | 2020/12/22 | 2024/11/7 | high |
| 145362 | openSUSE Security Update : MozillaThunderbird (openSUSE-2020-2317) | Nessus | SuSE Local Security Checks | 2021/1/25 | 2024/1/26 | high |
| 145372 | openSUSE Security Update : MozillaFirefox (openSUSE-2020-2318) | Nessus | SuSE Local Security Checks | 2021/1/25 | 2024/1/26 | high |
| 293859 | MiracleLinux 4 : firefox-78.6.0-1.0.1.AXS4 (AXSA:2020-1071:28) | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/1/20 | high |
| 294510 | MiracleLinux 7 : firefox-78.6.0-1.0.1.el7.AXS7 (AXSA:2020-1070:27) | 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 |
| 144278 | Mozilla Firefox ESR < 78.6 | Nessus | Windows | 2020/12/15 | 2025/11/18 | high |
| 144284 | Mozilla Thunderbird < 78.6 | Nessus | Windows | 2020/12/15 | 2025/11/18 | high |
| 144340 | Oracle Linux 7 : ELSA-2020-5561-1: / firefox (ELSA-2020-55611) | Nessus | Oracle Linux Local Security Checks | 2020/12/17 | 2024/10/23 | high |
| 144368 | Scientific Linux Security Update : thunderbird on SL7.x x86_64 (2020:5618) | Nessus | Scientific Linux Local Security Checks | 2020/12/17 | 2024/2/1 | high |
| 144426 | Debian DSA-4815-1 : thunderbird - security update | Nessus | Debian Local Security Checks | 2020/12/18 | 2024/2/1 | high |
| 144439 | Debian DLA-2497-1 : thunderbird security update | Nessus | Debian Local Security Checks | 2020/12/18 | 2024/2/1 | high |
| 144532 | SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2020:3901-1) | Nessus | SuSE Local Security Checks | 2020/12/22 | 2024/1/31 | high |
| 144575 | SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2020:3903-1) | Nessus | SuSE Local Security Checks | 2020/12/23 | 2024/1/31 | high |
| 147342 | NewStart CGSL MAIN 6.02 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0091) | Nessus | NewStart CGSL Local Security Checks | 2021/3/10 | 2021/3/11 | high |
| 154475 | NewStart CGSL MAIN 6.02 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0119) | Nessus | NewStart CGSL Local Security Checks | 2021/10/27 | 2023/11/27 | high |
| 293881 | MiracleLinux 8 : firefox-78.8.0-1.0.1.el8 (AXSA:2021-1575:07) | Nessus | Miracle Linux Local Security Checks | 2026/1/20 | 2026/2/4 | high |
| 144381 | RHEL 8 : firefox (RHSA-2020:5564) | Nessus | Red Hat Local Security Checks | 2020/12/18 | 2024/11/7 | high |
| 144403 | RHEL 8 : firefox (RHSA-2020:5565) | Nessus | Red Hat Local Security Checks | 2020/12/18 | 2024/11/7 | high |
| 144447 | Oracle Linux 7 : ELSA-2020-5618-1: / thunderbird (ELSA-2020-56181) | Nessus | Oracle Linux Local Security Checks | 2020/12/18 | 2024/10/23 | high |
| 144547 | CentOS 7 : thunderbird (RHSA-2020:5618) | Nessus | CentOS Local Security Checks | 2020/12/22 | 2024/10/9 | high |
| 144571 | SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2020:3902-1) | Nessus | SuSE Local Security Checks | 2020/12/23 | 2024/1/31 | high |
| 145332 | openSUSE Security Update : MozillaThunderbird (openSUSE-2020-2324) | Nessus | SuSE Local Security Checks | 2021/1/25 | 2024/1/26 | high |
| 145902 | CentOS 8 : firefox (CESA-2020:5562) | Nessus | CentOS Local Security Checks | 2021/2/1 | 2021/3/23 | 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 |
| 144277 | Mozilla Firefox ESR < 78.6 | Nessus | MacOS X Local Security Checks | 2020/12/15 | 2025/11/18 | high |
| 144350 | Debian DLA-2496-1 : firefox-esr security update | Nessus | Debian Local Security Checks | 2020/12/17 | 2024/2/1 | high |
| 144374 | Oracle Linux 8 : ELSA-2020-5562-1: / firefox (ELSA-2020-55621) | Nessus | Oracle Linux Local Security Checks | 2020/12/17 | 2024/10/22 | high |
| 144397 | RHEL 7 : firefox (RHSA-2020:5561) | Nessus | Red Hat Local Security Checks | 2020/12/18 | 2024/11/7 | high |
| 144413 | RHEL 8 : thunderbird (RHSA-2020:5622) | Nessus | Red Hat Local Security Checks | 2020/12/18 | 2024/11/7 | high |
| 144589 | GLSA-202012-20 : Mozilla Firefox, Mozilla Thunderbird: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | 2020/12/24 | 2024/1/31 | high |
| 145221 | Ubuntu 20.10 : Thunderbird vulnerabilities (USN-4701-1) | Nessus | Ubuntu Local Security Checks | 2021/1/20 | 2024/8/27 | high |
| 243392 | Linux Distros Unpatched Vulnerability : CVE-2020-35111 | Nessus | Misc. | 2025/8/4 | 2025/8/4 | medium |
| 144282 | Mozilla Firefox < 84.0 | Nessus | Windows | 2020/12/15 | 2025/11/18 | critical |