| 145792 | CentOS 8：firefox（CESA-2021：0288） | Nessus | CentOS Local Security Checks | 2021/2/1 | 2024/1/25 | high |
| 208628 | CentOS 7 : thunderbird (RHSA-2021:0297) | Nessus | CentOS Local Security Checks | 2024/10/9 | 2024/10/9 | high |
| 145697 | Scientific Linux Security Update : thunderbird on SL7.x x86_64 (2021:0297) | Nessus | Scientific Linux Local Security Checks | 2021/1/29 | 2024/1/25 | high |
| 145739 | SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2021:0241-1) | Nessus | SuSE Local Security Checks | 2021/2/1 | 2021/3/8 | high |
| 154553 | NewStart CGSL CORE 5.04 / MAIN 5.04 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0094) | Nessus | NewStart CGSL Local Security Checks | 2021/10/27 | 2023/11/27 | high |
| 154471 | NewStart CGSL CORE 5.05 / MAIN 5.05 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0177) | Nessus | NewStart CGSL Local Security Checks | 2021/10/27 | 2023/11/27 | high |
| 154489 | NewStart CGSL MAIN 6.02 : firefox Multiple Vulnerabilities (NS-SA-2021-0120) | Nessus | NewStart CGSL Local Security Checks | 2021/10/27 | 2021/10/27 | high |
| 145503 | RHEL 8 : firefox (RHSA-2021:0285) | Nessus | Red Hat Local Security Checks | 2021/1/27 | 2024/11/7 | high |
| 145527 | Debian DSA-4840-1 : firefox-esr - security update | Nessus | Debian Local Security Checks | 2021/1/28 | 2021/6/3 | high |
| 145541 | RHEL 8 : thunderbird (RHSA-2021:0299) | Nessus | Red Hat Local Security Checks | 2021/1/29 | 2024/11/7 | high |
| 146538 | Ubuntu 20.10 : Thunderbird vulnerabilities (USN-4736-1) | Nessus | Ubuntu Local Security Checks | 2021/2/16 | 2024/8/27 | high |
| 146069 | Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Firefox vulnerabilities (USN-4717-1) | Nessus | Ubuntu Local Security Checks | 2021/2/3 | 2024/8/27 | high |
| 249450 | Linux Distros Unpatched Vulnerability : CVE-2021-23953 | Nessus | Misc. | 2025/8/15 | 2025/8/15 | medium |
| 146051 | SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2021:0259-1) | Nessus | SuSE Local Security Checks | 2021/2/2 | 2021/3/8 | high |
| 146155 | Debian DLA-2541-1 : thunderbird security update | Nessus | Debian Local Security Checks | 2021/2/4 | 2024/1/24 | high |
| 145467 | Mozilla Thunderbird < 78.7 | Nessus | MacOS X Local Security Checks | 2021/1/27 | 2024/1/26 | high |
| 145507 | RHEL 8 : firefox (RHSA-2021:0288) | Nessus | Red Hat Local Security Checks | 2021/1/27 | 2024/11/7 | high |
| 145508 | Oracle Linux 7 : firefox (ELSA-2021-0290) | Nessus | Oracle Linux Local Security Checks | 2021/1/27 | 2024/10/22 | high |
| 145540 | Oracle Linux 7 : thunderbird (ELSA-2021-0297) | Nessus | Oracle Linux Local Security Checks | 2021/1/28 | 2024/10/22 | high |
| 145543 | RHEL 8 : thunderbird (RHSA-2021:0298) | Nessus | Red Hat Local Security Checks | 2021/1/29 | 2024/11/7 | high |
| 145545 | RHEL 7 : thunderbird (RHSA-2021:0297) | Nessus | Red Hat Local Security Checks | 2021/1/29 | 2024/11/7 | high |
| 146634 | Amazon Linux 2 : thunderbird (ALAS-2021-1603) | Nessus | Amazon Linux Local Security Checks | 2021/2/19 | 2024/12/11 | high |
| 154552 | NewStart CGSL CORE 5.04 / MAIN 5.04 : firefox Multiple Vulnerabilities (NS-SA-2021-0094) | Nessus | NewStart CGSL Local Security Checks | 2021/10/27 | 2021/10/27 | high |
| 154451 | NewStart CGSL CORE 5.05 / MAIN 5.05 : firefox Multiple Vulnerabilities (NS-SA-2021-0178) | Nessus | NewStart CGSL Local Security Checks | 2021/10/27 | 2021/10/27 | high |
| 208615 | CentOS 7 : firefox (RHSA-2021:0290) | Nessus | CentOS Local Security Checks | 2024/10/9 | 2024/10/9 | 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 | 2021/2/1 | 2024/1/25 | high |
| 146095 | RHEL 8 : thunderbird（RHSA-2021：0397) | Nessus | Red Hat Local Security Checks | 2021/2/3 | 2024/11/7 | high |
| 146163 | Debian DLA-2539-1：firefox-esrのセキュリティ更新 | Nessus | Debian Local Security Checks | 2021/2/4 | 2021/3/8 | high |
| 146565 | Oracle Linux 8：thunderbird（ELSA-2021-0298） | Nessus | Oracle Linux Local Security Checks | 2021/2/17 | 2024/10/22 | high |
| 145446 | Mozilla Firefox ESR < 78.7 | Nessus | Windows | 2021/1/26 | 2021/3/5 | high |
| 145447 | Mozilla Firefox ESR < 78.7 | Nessus | MacOS X Local Security Checks | 2021/1/26 | 2021/3/5 | high |
| 145468 | Mozilla Thunderbird < 78.7 | Nessus | Windows | 2021/1/27 | 2024/1/26 | high |
| 145506 | RHEL 8: firefox（RHSA-2021: 0289) | Nessus | Red Hat Local Security Checks | 2021/1/27 | 2024/11/7 | high |
| 145539 | Oracle Linux 8：Firefox（ELSA-2021-0288） | Nessus | Oracle Linux Local Security Checks | 2021/1/28 | 2024/10/23 | high |
| 145544 | RHEL 7：firefox（RHSA-2021: 0290) | Nessus | Red Hat Local Security Checks | 2021/1/29 | 2024/11/7 | high |
| 146565 | Oracle Linux 8 : thunderbird (ELSA-2021-0298) | Nessus | Oracle Linux Local Security Checks | 2021/2/17 | 2024/10/22 | high |
| 145446 | Mozilla Firefox ESR < 78.7 | Nessus | Windows | 2021/1/26 | 2021/3/5 | high |
| 145447 | Mozilla Firefox ESR < 78.7 | Nessus | MacOS X Local Security Checks | 2021/1/26 | 2021/3/5 | high |
| 145468 | Mozilla Thunderbird < 78.7 | Nessus | Windows | 2021/1/27 | 2024/1/26 | high |
| 145506 | RHEL 8 : firefox (RHSA-2021:0289) | Nessus | Red Hat Local Security Checks | 2021/1/27 | 2024/11/7 | high |
| 145539 | Oracle Linux 8 : firefox (ELSA-2021-0288) | Nessus | Oracle Linux Local Security Checks | 2021/1/28 | 2024/10/23 | high |
| 145544 | RHEL 7 : firefox (RHSA-2021:0290) | Nessus | Red Hat Local Security Checks | 2021/1/29 | 2024/11/7 | high |
| 145768 | openSUSE Security Update : MozillaThunderbird (openSUSE-2021-208) | Nessus | SuSE Local Security Checks | 2021/2/1 | 2024/1/25 | high |
| 146095 | RHEL 8 : thunderbird (RHSA-2021:0397) | Nessus | Red Hat Local Security Checks | 2021/2/3 | 2024/11/7 | high |
| 146163 | Debian DLA-2539-1 : firefox-esr security update | Nessus | Debian Local Security Checks | 2021/2/4 | 2021/3/8 | 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 |
| 145503 | RHEL 8：firefox (RHSA-2021: 0285) | Nessus | Red Hat Local Security Checks | 2021/1/27 | 2024/11/7 | high |
| 145527 | Debian DSA-4840-1：firefox-esr - 安全性更新 | Nessus | Debian Local Security Checks | 2021/1/28 | 2021/6/3 | high |
| 145541 | RHEL 8：thunderbird (RHSA-2021: 0299) | Nessus | Red Hat Local Security Checks | 2021/1/29 | 2024/11/7 | high |
| 145697 | Scientific Linux 安全性更新：SL7.x x86_64 上的 thunderbird (2021:0297) | Nessus | Scientific Linux Local Security Checks | 2021/1/29 | 2024/1/25 | high |
