| 146513 | openSUSEセキュリティ更新プログラム：MozillaFirefox（openSUSE-2021-222） | Nessus | SuSE Local Security Checks | 2/16/2021 | 3/8/2021 | high |
| 145792 | CentOS 8：firefox（CESA-2021：0288） | Nessus | CentOS Local Security Checks | 2/1/2021 | 1/25/2024 | high |
| 208628 | CentOS 7 : thunderbird (RHSA-2021:0297) | Nessus | CentOS Local Security Checks | 10/9/2024 | 10/9/2024 | high |
| 146051 | SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2021:0259-1) | Nessus | SuSE Local Security Checks | 2/2/2021 | 3/8/2021 | high |
| 146155 | Debian DLA-2541-1 : thunderbird security update | Nessus | Debian Local Security Checks | 2/4/2021 | 1/24/2024 | high |
| 145467 | Mozilla Thunderbird < 78.7 | Nessus | MacOS X Local Security Checks | 1/27/2021 | 1/26/2024 | high |
| 145507 | RHEL 8 : firefox (RHSA-2021:0288) | Nessus | Red Hat Local Security Checks | 1/27/2021 | 11/7/2024 | high |
| 145508 | Oracle Linux 7 : firefox (ELSA-2021-0290) | Nessus | Oracle Linux Local Security Checks | 1/27/2021 | 10/22/2024 | high |
| 145540 | Oracle Linux 7 : thunderbird (ELSA-2021-0297) | Nessus | Oracle Linux Local Security Checks | 1/28/2021 | 10/22/2024 | high |
| 145543 | RHEL 8 : thunderbird (RHSA-2021:0298) | Nessus | Red Hat Local Security Checks | 1/29/2021 | 11/7/2024 | high |
| 145545 | RHEL 7 : thunderbird (RHSA-2021:0297) | Nessus | Red Hat Local Security Checks | 1/29/2021 | 11/7/2024 | high |
| 146634 | Amazon Linux 2 : thunderbird (ALAS-2021-1603) | Nessus | Amazon Linux Local Security Checks | 2/19/2021 | 12/11/2024 | high |
| 154552 | NewStart CGSL CORE 5.04 / MAIN 5.04 : firefox Multiple Vulnerabilities (NS-SA-2021-0094) | Nessus | NewStart CGSL Local Security Checks | 10/27/2021 | 10/27/2021 | high |
| 154451 | NewStart CGSL CORE 5.05 / MAIN 5.05 : firefox Multiple Vulnerabilities (NS-SA-2021-0178) | Nessus | NewStart CGSL Local Security Checks | 10/27/2021 | 10/27/2021 | high |
| 208615 | CentOS 7 : firefox (RHSA-2021:0290) | Nessus | CentOS Local Security Checks | 10/9/2024 | 10/9/2024 | high |
| 145697 | Scientific Linux Security Update : thunderbird on SL7.x x86_64 (2021:0297) | Nessus | Scientific Linux Local Security Checks | 1/29/2021 | 1/25/2024 | high |
| 145739 | SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2021:0241-1) | Nessus | SuSE Local Security Checks | 2/1/2021 | 3/8/2021 | high |
| 154553 | NewStart CGSL CORE 5.04 / MAIN 5.04 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0094) | Nessus | NewStart CGSL Local Security Checks | 10/27/2021 | 11/27/2023 | high |
| 154471 | NewStart CGSL CORE 5.05 / MAIN 5.05 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0177) | Nessus | NewStart CGSL Local Security Checks | 10/27/2021 | 11/27/2023 | high |
| 154489 | NewStart CGSL MAIN 6.02 : firefox Multiple Vulnerabilities (NS-SA-2021-0120) | Nessus | NewStart CGSL Local Security Checks | 10/27/2021 | 10/27/2021 | high |
| 145503 | RHEL 8 : firefox (RHSA-2021:0285) | Nessus | Red Hat Local Security Checks | 1/27/2021 | 11/7/2024 | high |
| 145527 | Debian DSA-4840-1 : firefox-esr - security update | Nessus | Debian Local Security Checks | 1/28/2021 | 6/3/2021 | high |
| 145541 | RHEL 8 : thunderbird (RHSA-2021:0299) | Nessus | Red Hat Local Security Checks | 1/29/2021 | 11/7/2024 | high |
| 146538 | Ubuntu 20.10 : Thunderbird vulnerabilities (USN-4736-1) | Nessus | Ubuntu Local Security Checks | 2/16/2021 | 8/27/2024 | high |
| 146069 | Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Firefox vulnerabilities (USN-4717-1) | Nessus | Ubuntu Local Security Checks | 2/3/2021 | 8/27/2024 | high |
| 249016 | Linux Distros Unpatched Vulnerability : CVE-2021-23954 | Nessus | Misc. | 8/12/2025 | 8/12/2025 | high |
| 145768 | openSUSEセキュリティ更新プログラム：MozillaThunderbird（openSUSE-2021-208） | Nessus | SuSE Local Security Checks | 2/1/2021 | 1/25/2024 | high |
| 146095 | RHEL 8 : thunderbird（RHSA-2021：0397) | Nessus | Red Hat Local Security Checks | 2/3/2021 | 11/7/2024 | high |
| 146163 | Debian DLA-2539-1：firefox-esrのセキュリティ更新 | Nessus | Debian Local Security Checks | 2/4/2021 | 3/8/2021 | high |
| 146565 | Oracle Linux 8：thunderbird（ELSA-2021-0298） | Nessus | Oracle Linux Local Security Checks | 2/17/2021 | 10/22/2024 | high |
| 145446 | Mozilla Firefox ESR < 78.7 | Nessus | Windows | 1/26/2021 | 3/5/2021 | high |
| 145447 | Mozilla Firefox ESR < 78.7 | Nessus | MacOS X Local Security Checks | 1/26/2021 | 3/5/2021 | high |
| 145468 | Mozilla Thunderbird < 78.7 | Nessus | Windows | 1/27/2021 | 1/26/2024 | high |
| 145506 | RHEL 8: firefox（RHSA-2021: 0289) | Nessus | Red Hat Local Security Checks | 1/27/2021 | 11/7/2024 | high |
| 145539 | Oracle Linux 8：Firefox（ELSA-2021-0288） | Nessus | Oracle Linux Local Security Checks | 1/28/2021 | 10/23/2024 | high |
| 145544 | RHEL 7：firefox（RHSA-2021: 0290) | Nessus | Red Hat Local Security Checks | 1/29/2021 | 11/7/2024 | high |
| 145503 | RHEL 8：firefox (RHSA-2021: 0285) | Nessus | Red Hat Local Security Checks | 1/27/2021 | 11/7/2024 | high |
| 145527 | Debian DSA-4840-1：firefox-esr - 安全性更新 | Nessus | Debian Local Security Checks | 1/28/2021 | 6/3/2021 | high |
| 145541 | RHEL 8：thunderbird (RHSA-2021: 0299) | Nessus | Red Hat Local Security Checks | 1/29/2021 | 11/7/2024 | high |
| 145697 | Scientific Linux 安全性更新：SL7.x x86_64 上的 thunderbird (2021:0297) | Nessus | Scientific Linux Local Security Checks | 1/29/2021 | 1/25/2024 | high |
| 146538 | Ubuntu 20.10：thunderbird 弱點 (USN-4736-1) | Nessus | Ubuntu Local Security Checks | 2/16/2021 | 8/27/2024 | high |
| 154471 | NewStart CGSL CORE 5.05 / MAIN 5.05：thunderbird 多個弱點 (NS-SA-2021-0177) | Nessus | NewStart CGSL Local Security Checks | 10/27/2021 | 11/27/2023 | high |
| 154489 | NewStart CGSL MAIN 6.02：firefox 多個弱點 (NS-SA-2021-0120) | Nessus | NewStart CGSL Local Security Checks | 10/27/2021 | 10/27/2021 | high |
| 154553 | NewStart CGSL CORE 5.04 / MAIN 5.04：thunderbird 多個弱點 (NS-SA-2021-0094) | Nessus | NewStart CGSL Local Security Checks | 10/27/2021 | 11/27/2023 | high |
| 146069 | Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS：Firefox 弱點 (USN-4717-1) | Nessus | Ubuntu Local Security Checks | 2/3/2021 | 8/27/2024 | high |
| 249016 | Linux Distros 未修補的弱點：CVE-2021-23954 | Nessus | Misc. | 8/12/2025 | 8/12/2025 | high |
| 145467 | Mozilla Thunderbird < 78.7 | Nessus | MacOS X Local Security Checks | 1/27/2021 | 1/26/2024 | high |
| 145507 | RHEL 8: firefox（RHSA-2021: 0288) | Nessus | Red Hat Local Security Checks | 1/27/2021 | 11/7/2024 | high |
| 145508 | Oracle Linux 7: Firefox（ELSA-2021-0290） | Nessus | Oracle Linux Local Security Checks | 1/27/2021 | 10/22/2024 | high |
| 145540 | Oracle Linux 7：thunderbird（ELSA-2021-0297） | Nessus | Oracle Linux Local Security Checks | 1/28/2021 | 10/22/2024 | high |
