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nvd[email protected]NVD:CVE-2020-0836
HistorySep 11, 2020 - 5:15 p.m.

CVE-2020-0836

2020-09-1117:15:13
web.nvd.nist.gov
17
windows
dns
denial of service
vulnerability
nonresponsive

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.002

Percentile

57.8%

<p>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.</p>
<p>To exploit the vulnerability, an authenticated attacker could send malicious DNS queries to a target, resulting in a denial of service.</p>
<p>The update addresses the vulnerability by correcting how Windows DNS processes queries.</p>

Affected configurations

Nvd
Node
microsoftwindows_server_2008Match-sp2x64
OR
microsoftwindows_server_2008Match-sp2x86
OR
microsoftwindows_server_2012Match-
OR
microsoftwindows_server_2012Matchr2
OR
microsoftwindows_server_2016Match-
OR
microsoftwindows_server_2016Match1903
OR
microsoftwindows_server_2016Match1909
OR
microsoftwindows_server_2016Match2004
OR
microsoftwindows_server_2019Match-
VendorProductVersionCPE
microsoftwindows_server_2008-cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*
microsoftwindows_server_2008-cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*
microsoftwindows_server_2012-cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
microsoftwindows_server_2012r2cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
microsoftwindows_server_2016-cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
microsoftwindows_server_20161903cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*
microsoftwindows_server_20161909cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
microsoftwindows_server_20162004cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
microsoftwindows_server_2019-cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.002

Percentile

57.8%