cbcvebase.
CVE-2020-0836
published 2020-09-11

CVE-2020-0836: A denial of service vulnerability exists in Windows DNS when it fails to properly handle queries. An attacker who successfully exploited this vulnerability…

PriorityP340high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
5.05%
91.3th percentile
A denial of service vulnerability exists in Windows DNS when it fails to properly handle queries. An attacker who successfully exploited this vulnerability could cause the DNS service to become nonresponsive. To exploit the vulnerability, an authenticated attacker could send malicious DNS queries to a target, resulting in a denial of service. The update addresses the vulnerability by correcting how Windows DNS processes queries.

Affected

22 ranges
VendorProductVersion rangeFixed in
microsoftwindows_server_2008_r2_service_pack_1>= 6.0.0 < publicationpublication
microsoftwindows_server_2008_r2_service_pack_1>= 6.1.0 < publicationpublication
microsoftwindows_server_2008_service_pack_2>= 6.0.0 < publicationpublication
microsoftwindows_server_2012
microsoftwindows_server_2012>= 6.2.0 < publicationpublication
microsoftwindows_server_2012_r2>= 6.3.0 < publicationpublication
microsoftwindows_server_2016
microsoftwindows_server_2016
microsoftwindows_server_2016
microsoftwindows_server_2016>= 10.0.0 < publicationpublication
microsoftwindows_server_2019>= 10.0.0 < publicationpublication
microsoftwindows_server_version_2004>= 10.0.0 < publicationpublication
msrcwindows_server_2008_for_32-bit_systems_service_pack_2
msrcwindows_server_2008_for_x64-based_systems_service_pack_2
msrcwindows_server_2008_r2_for_x64-based_systems_service_pack_1
msrcwindows_server_2012
msrcwindows_server_2012_r2
msrcwindows_server_2016
msrcwindows_server_2019
msrcwindows_server_version_1903
msrcwindows_server_version_1909
msrcwindows_server_version_2004

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
vendor_msrc7.5HIGH
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.