| 144278 | Mozilla Firefox ESR < 78.6 | Nessus | Windows | 2020/12/15 | 2021/1/13 | 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 |
| 145902 | CentOS 8：firefox（CESA-2020: 5562） | Nessus | CentOS Local Security Checks | 2021/2/1 | 2021/3/23 | high |
| 144571 | SUSE SLED15 / SLES15セキュリティ更新プログラム：MozillaFirefox（SUSE-SU-2020:3902-1） | Nessus | SuSE Local Security Checks | 2020/12/23 | 2024/1/31 | high |
| 144798 | Amazon Linux 2：thunderbird（ALAS-2021-1586） | Nessus | Amazon Linux Local Security Checks | 2021/1/7 | 2024/12/11 | high |
| 144284 | Mozilla Thunderbird < 78.6 | Nessus | Windows | 2020/12/15 | 2021/1/13 | high |
| 144285 | Mozilla Thunderbird < 78.6 | Nessus | MacOS X Local Security Checks | 2020/12/15 | 2021/1/13 | high |
| 144403 | RHEL 8：firefox（RHSA-2020: 5565) | Nessus | Red Hat Local Security Checks | 2020/12/18 | 2024/11/7 | high |
| 145362 | openSUSEセキュリティ更新プログラム：MozillaThunderbird（openSUSE-2020-2317） | Nessus | SuSE Local Security Checks | 2021/1/25 | 2024/1/26 | high |
| 150596 | SUSE SLES11 セキュリティ更新プログラム: MozillaFirefox (SUSE-SU-2020:14584-1) | Nessus | SuSE Local Security Checks | 2021/6/10 | 2021/6/10 | high |
| 144350 | DebianDLA-2496-1：firefox-esrのセキュリティ更新 | Nessus | Debian Local Security Checks | 2020/12/17 | 2024/2/1 | high |
| 145221 | Ubuntu 20.10 LTS：Thunderbirdの脆弱性（USN-4701-1） | Nessus | Ubuntu Local Security Checks | 2021/1/20 | 2024/8/27 | high |
| 246380 | Linux Distros のパッチ未適用の脆弱性: CVE-2020-26978 | Nessus | Misc. | 2025/8/8 | 2025/8/8 | medium |
| 144282 | Mozilla Firefox < 84.0 | Nessus | Windows | 2020/12/15 | 2024/2/1 | critical |
| 144368 | Scientific Linuxセキュリティ更新: SL7.x x86_64 の thunderbird (2020:5618) | Nessus | Scientific Linux Local Security Checks | 2020/12/17 | 2024/2/1 | high |
| 144426 | Debian DSA-4815-1: thunderbird - セキュリティ更新 | Nessus | Debian Local Security Checks | 2020/12/18 | 2024/2/1 | high |
| 145332 | openSUSEセキュリティ更新プログラム：MozillaThunderbird（openSUSE-2020-2324） | Nessus | SuSE Local Security Checks | 2021/1/25 | 2024/1/26 | high |
| 208652 | CentOS 7 : firefox (RHSA-2020:5561) | Nessus | CentOS Local Security Checks | 2024/10/9 | 2024/10/9 | high |
| 144511 | RHEL 8：thunderbird（RHSA-2020: 5645) | Nessus | Red Hat Local Security Checks | 2020/12/22 | 2024/11/7 | high |
| 145372 | openSUSEセキュリティ更新プログラム：MozillaFirefox（openSUSE-2020-2318） | Nessus | SuSE Local Security Checks | 2021/1/25 | 2024/1/26 | high |
| 144277 | Mozilla Firefox ESR < 78.6 | Nessus | MacOS X Local Security Checks | 2020/12/15 | 2021/1/13 | high |
| 144283 | Mozilla Firefox < 84.0 | Nessus | MacOS X Local Security Checks | 2020/12/15 | 2024/2/1 | critical |
| 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 |
| 144381 | RHEL 8：firefox（RHSA-2020: 5564) | 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 |
| 144547 | CentOS 7 : thunderbird (RHSA-2020:5618) | Nessus | CentOS Local Security Checks | 2020/12/22 | 2024/10/9 | high |
| 144367 | Scientific Linux セキュリティ更新: SL7.x i686/x86_64のfirefox (2020:5561) | Nessus | Scientific Linux Local Security Checks | 2020/12/17 | 2024/2/1 | high |
| 144397 | RHEL 7 : firefox (RHSA-2020:5561) | Nessus | Red Hat Local Security Checks | 2020/12/18 | 2024/11/7 | high |
| 144406 | RHEL 8：firefox（RHSA-2020: 5563) | Nessus | Red Hat Local Security Checks | 2020/12/18 | 2024/11/7 | high |
| 144532 | SUSE SLED15 / SLES15セキュリティ更新プログラム：MozillaFirefox（SUSE-SU-2020:3901-1） | Nessus | SuSE Local Security Checks | 2020/12/22 | 2024/1/31 | high |
| 144575 | SUSE SLES12セキュリティ更新プログラム：MozillaFirefox（SUSE-SU-2020:3903-1） | Nessus | SuSE Local Security Checks | 2020/12/23 | 2024/1/31 | high |
| 144386 | RHEL 7：thunderbird（RHSA-2020: 5618) | Nessus | Red Hat Local Security Checks | 2020/12/18 | 2024/11/7 | high |
| 144416 | RHEL 8：thunderbird（RHSA-2020: 5624) | Nessus | Red Hat Local Security Checks | 2020/12/18 | 2024/11/7 | high |
| 144353 | Debian DSA-4813-1: firefox-esr - セキュリティ更新 | Nessus | Debian Local Security Checks | 2020/12/17 | 2024/2/1 | high |
| 144422 | RHEL 8：firefox（RHSA-2020: 5562) | 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 |
| 144457 | Oracle Linux 8：ELSA-2020-5624-1：/ thunderbird（ELSA-2020-56241） | Nessus | Oracle Linux Local Security Checks | 2020/12/18 | 2024/10/22 | high |
| 144299 | Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Firefox の脆弱性 (USN-4671-1) | Nessus | Ubuntu Local Security Checks | 2020/12/16 | 2024/8/27 | critical |
| 144439 | Debian DLA-2497-1：thunderbirdのセキュリティ更新 | Nessus | Debian Local Security Checks | 2020/12/18 | 2024/2/1 | high |
| 144512 | RHEL 8：thunderbird（RHSA-2020: 5644) | Nessus | Red Hat Local Security Checks | 2020/12/22 | 2024/11/7 | high |
| 145294 | openSUSEセキュリティ更新プログラム：MozillaFirefox（openSUSE-2020-2325） | Nessus | SuSE Local Security Checks | 2021/1/25 | 2024/1/26 | high |
