synced 6 MIN AGO
01 Record

CVE-2020-1228

Windows DNS Denial of Service Vulnerability

HighPUBLISHEDCNA: microsoft
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C

02 Description

Windows DNS Denial of Service Vulnerability

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
4.49% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 91.1% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-09-11 17:09Z6 YR AGO
Last updated
2024-08-04 06:31Z2 YR AGO
Reserved
2019-11-04
Assigning CNA
microsoft
Record state
PUBLISHED
Severity
High (CVSS 7.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
Weaknesses
No CWE assigned
Data version
5.1
Document digest
fbb0ee16ad87c5ce10018b5c871706db19058e5e6785ab15fdad7e7b310a834e

05 Affected products

VendorProductVersionsPlatforms
MicrosoftWindows Server version 200410.0.0 to < publicationx64-based Systems
MicrosoftWindows Server 201910.0.0 to < publicationx64-based Systems
MicrosoftWindows Server 2019 (Server Core installation)10.0.0 to < publicationx64-based Systems
MicrosoftWindows Server, version 1909 (Server Core installation)10.0.0 to < publicationx64-based Systems
MicrosoftWindows Server, version 1903 (Server Core installation)10.0.0 to < publicationx64-based Systems
MicrosoftWindows Server 201610.0.0 to < publicationx64-based Systems
MicrosoftWindows Server 2016 (Server Core installation)10.0.0 to < publicationx64-based Systems
MicrosoftWindows Server 2008 Service Pack 26.0.0 to < publication32-bit Systems
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)6.0.0 to < publication32-bit Systems, x64-based Systems
MicrosoftWindows Server 2008 Service Pack 26.0.0 to < publicationx64-based Systems
MicrosoftWindows Server 2008 R2 Service Pack 16.1.0 to < publicationx64-based Systems
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)6.0.0 to < publicationx64-based Systems
MicrosoftWindows Server 20126.2.0 to < publicationx64-based Systems
MicrosoftWindows Server 2012 (Server Core installation)6.2.0 to < publicationx64-based Systems
MicrosoftWindows Server 2012 R26.3.0 to < publicationx64-based Systems
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.0 to < publicationx64-based Systems

06 References