by Kastro
Paper/Archive/CVE-2021-26897

CVE-2021-26897

Microsoft Windows Server 2008 R2 Service Pack 1 — Windows DNS Server Remote Code Execution Vulnerability

EPSS 12%CVSS 9.8
critical.is priorityof 100
49
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 96.1.961 × 2019.2No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

Windows DNS Server Remote Code Execution Vulnerability

Affected

ProductAffectedFixed inSource
Windows Server 2008 R2 Service Pack 16.1.7601.0 – < 6.1.7601.245666.1.7601.24566CNA
Windows Server 2008 R2 Service Pack 1 (Server Core installation)6.1.7601.0 – < 6.1.7601.245666.1.7601.24566CNA
Windows Server 2008 Service Pack 26.0.6003.0 – < 6.0.6003.210706.0.6003.21070CNA
Windows Server 2008 Service Pack 2 (Server Core installation)6.0.6003.0 – < 6.0.6003.210706.0.6003.21070CNA
Windows Server 20126.2.9200.0 – < 6.2.9200.232986.2.9200.23298CNA
Windows Server 2012 (Server Core installation)6.2.9200.0 – < 6.2.9200.232986.2.9200.23298CNA
Windows Server 2012 R26.3.9600.0 – < 6.3.9600.199686.3.9600.19968CNA
Windows Server 2012 R2 (Server Core installation)6.3.9600.0 – < 6.3.9600.199686.3.9600.19968CNA
Windows Server 201610.0.14393.0 – < 10.0.14393.428310.0.14393.4283CNA
Windows Server 2016 (Server Core installation)10.0.14393.0 – < 10.0.14393.428310.0.14393.4283CNA
Windows Server 201910.0.17763.0 – < 10.0.17763.181710.0.17763.1817CNA
Windows Server 2019 (Server Core installation)10.0.17763.0 – < 10.0.17763.181710.0.17763.1817CNA

Scores by source

microsoft (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References

patchmsrc.microsoft.com/update-guide/vulnerability/CVE-2021-26897refportal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26897