| 145844 | CentOS 8 : thunderbird (CESA-2020:4913) | Nessus | CentOS Local Security Checks | 2/1/2021 | 3/23/2021 | critical |
| 145924 | CentOS 8 : firefox (CESA-2020:4317) | Nessus | CentOS Local Security Checks | 2/1/2021 | 3/23/2021 | critical |
| 150643 | SUSE SLES11 Security Update : MozillaFirefox (SUSE-SU-2020:14522-1) | Nessus | SuSE Local Security Checks | 6/10/2021 | 6/10/2021 | critical |
| 141571 | Mozilla Firefox < 82.0 | Nessus | Windows | 10/20/2020 | 2/15/2024 | critical |
| 141863 | Ubuntu 18.04 LTS / 20.04 LTS : Firefox vulnerabilities (USN-4599-1) | Nessus | Ubuntu Local Security Checks | 10/24/2020 | 8/29/2024 | critical |
| 144451 | Apple iOS < 14.3 Multiple Vulnerabilities | Nessus | Mobile Devices | 12/18/2020 | 7/14/2025 | high |
| 141284 | FreeBSD : chromium -- multiple vulnerabilities (64988354-0889-11eb-a01b-e09467587c17) | Nessus | FreeBSD Local Security Checks | 10/8/2020 | 2/16/2024 | high |
| 141840 | openSUSE Security Update : chromium (openSUSE-2020-1705) | Nessus | SuSE Local Security Checks | 10/23/2020 | 2/14/2024 | high |
| 142587 | Fedora 32 : chromium (2020-127d40f1ab) | Nessus | Fedora Local Security Checks | 11/6/2020 | 2/9/2024 | high |
| 145430 | GLSA-202101-30 : Qt WebEngine: Multiple vulnerabilities | Nessus | Gentoo Local Security Checks | 1/26/2021 | 1/26/2024 | critical |
| 147286 | NewStart CGSL MAIN 6.02 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0081) | Nessus | NewStart CGSL Local Security Checks | 3/10/2021 | 5/10/2022 | critical |
| 143267 | Ubuntu 20.10 : Thunderbird vulnerabilities (USN-4647-1) | Nessus | Ubuntu Local Security Checks | 11/26/2020 | 8/27/2024 | critical |
| 154543 | NewStart CGSL CORE 5.05 / MAIN 5.05 : firefox Multiple Vulnerabilities (NS-SA-2021-0154) | Nessus | NewStart CGSL Local Security Checks | 10/27/2021 | 5/9/2022 | critical |
| 141857 | Oracle Linux 7 : firefox (ELSA-2020-4310) | Nessus | Oracle Linux Local Security Checks | 10/23/2020 | 10/23/2024 | critical |
| 142044 | openSUSE Security Update : MozillaFirefox (openSUSE-2020-1748) | Nessus | SuSE Local Security Checks | 10/29/2020 | 11/12/2020 | critical |
| 142486 | Oracle Linux 7 : thunderbird (ELSA-2020-4909) | Nessus | Oracle Linux Local Security Checks | 11/6/2020 | 10/22/2024 | critical |
| 142645 | CentOS 6 : thunderbird (RHSA-2020:4947) | Nessus | CentOS Local Security Checks | 11/9/2020 | 10/9/2024 | critical |
| 142900 | Oracle Linux 6 : thunderbird (ELSA-2020-4947) | Nessus | Oracle Linux Local Security Checks | 11/14/2020 | 10/22/2024 | critical |
| 142962 | Oracle Linux 8 : thunderbird (ELSA-2020-4913) | Nessus | Oracle Linux Local Security Checks | 11/17/2020 | 10/22/2024 | critical |
| 143647 | SUSE SLED15 / SLES15 Security Update : MozillaThunderbird / mozilla-nspr (SUSE-SU-2020:3091-1) | Nessus | SuSE Local Security Checks | 12/9/2020 | 2/6/2024 | critical |
| 143709 | SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2020:3053-1) | Nessus | SuSE Local Security Checks | 12/9/2020 | 2/6/2024 | critical |
| 141923 | Ubuntu 16.04 LTS : Firefox vulnerabilities (USN-4599-2) | Nessus | Ubuntu Local Security Checks | 10/27/2020 | 10/29/2024 | 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 |
| 154529 | NewStart CGSL CORE 5.05 / MAIN 5.05 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0172) | Nessus | NewStart CGSL Local Security Checks | 10/27/2021 | 5/9/2022 | critical |
| 141572 | Mozilla Firefox < 82.0 | Nessus | MacOS X Local Security Checks | 10/20/2020 | 2/15/2024 | critical |
| 142955 | Fedora 33 : chromium (2020-4e8e48da22) | Nessus | Fedora Local Security Checks | 11/17/2020 | 12/6/2022 | high |
| 701295 | Safari < 14.0.2 Vulnerability | Nessus Network Monitor | Web Clients | 12/15/2020 | 12/15/2020 | high |
