VDB
msrc_CVE-2021-42278
msrc_CVE-2021-42278
PUBLISHED
CVSS 7.5 HIGH
Risk Scores
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) <6.0.6003.21282 | ||
| Windows Server 2019 (Server Core installation) 10.0.17763.2300 | ||
| Windows Server 2016 (Server Core installation) 10.0.14393.4770 | ||
| Windows Server 2016 (Server Core installation) <10.0.14393.4770 | ||
| Windows Server, version 20H2 (Server Core Installation) 10.0.19042.1348 | ||
| Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.21282 | ||
| Windows Server 2019 (Server Core installation) <10.0.17763.2300 | ||
| Windows Server 2022 <10.0.20348.350 | ||
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.21282 | ||
| Windows Server, version 20H2 (Server Core Installation) <10.0.19042.1348 | ||
| Windows Server 2016 10.0.14393.4770 | ||
| Windows Server 2022 10.0.20348.350 | ||
| Windows Server, version 2004 (Server Core installation) <10.0.19041.1348 | ||
| Windows Server 2019 <10.0.17763.2300 | ||
| Windows Server 2008 for 32-bit Systems Service Pack 2 <6.0.6003.21282 | ||
| Windows Server, version 2004 (Server Core installation) 10.0.19041.1348 | ||
| Windows Server 2022 (Server Core installation) <10.0.20348.350 | ||
| Windows Server 2016 <10.0.14393.4770 | ||
| Windows Server 2019 10.0.17763.2300 | ||
| Windows Server 2022 (Server Core installation) 10.0.20348.350 |
Timeline
- Nov 9, 2021 CVE Published
- Nov 29, 2024 PoC Published
- Apr 2, 2026 Security Advisory
- Apr 2, 2026 Security Advisory
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42278 advisory
- https://msrc.microsoft.com/csaf/advisories/2021/msrc_cve-2021-42278.json advisory
- https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1 url
- https://support.microsoft.com/lifecycle url
- https://www.first.org/cvss url
- https://support.microsoft.com/help/5007206 fix
- https://support.microsoft.com/help/5007205 fix
- https://support.microsoft.com/help/5007186 fix
- https://support.microsoft.com/help/5007192 fix
- https://support.microsoft.com/help/5007263 fix
- https://support.microsoft.com/help/5007246 fix
- https://support.microsoft.com/help/5007236 fix
- https://support.microsoft.com/help/5007233 fix
- https://support.microsoft.com/help/5007260 fix
- https://support.microsoft.com/help/5007245 fix
- https://support.microsoft.com/help/5007247 fix
- https://support.microsoft.com/help/5007255 fix