NVD Vulnerability Detail
Search Exploit, PoC
CVE-2020-1108
Summary

A denial of service vulnerability exists when .NET Core or .NET Framework improperly handles web requests, aka '.NET Core & .NET Framework Denial of Service Vulnerability'.

Publication Date May 22, 2020, 8:15 a.m.
Registration Date Jan. 26, 2021, 11:50 a.m.
Last Update Nov. 21, 2024, 2:09 p.m.
CVSS3.1 : HIGH
スコア 7.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC) 低
攻撃に必要な特権レベル(PR) 不要
利用者の関与(UI) 不要
影響の想定範囲(S) 変更なし
機密性への影響(C) なし
完全性への影響(I) なし
可用性への影響(A) 高
CVSS2.0 : MEDIUM
Score 5.0
Vector AV:N/AC:L/Au:N/C:N/I:N/A:P
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC) 低
攻撃前の認証要否(Au) 不要
機密性への影響(C) なし
完全性への影響(I) なし
可用性への影響(A) 低
Get all privileges. いいえ
Get user privileges いいえ
Get other privileges いいえ
User operation required いいえ
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:* 2.1 2.1.18
cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:* 3.0 3.1.4
cpe:2.3:a:microsoft:.net:5.0:preview2:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:5.0:preview3:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:5.0:preview1:*:*:*:*:*:*
Configuration2 or higher or less more than less than
cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:3.0:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*
2 cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*
Configuration3 or higher or less more than less than
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:*
2 cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x86:*
Configuration4 or higher or less more than less than
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
2 cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
Configuration5 or higher or less more than less than
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x86:*
2 cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:*
Configuration6 or higher or less more than less than
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
Configuration7 or higher or less more than less than
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
2 cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x86:*
Configuration8 or higher or less more than less than
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:x64:*
2 cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:x86:*
Configuration9 or higher or less more than less than
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:arm64:*
Configuration10 or higher or less more than less than
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:x64:*
2 cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:x86:*
Configuration11 or higher or less more than less than
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
2 cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
Configuration12 or higher or less more than less than
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:*
2 cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x86:*
Configuration13 or higher or less more than less than
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:x64:*
2 cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:x86:*
Configuration14 or higher or less more than less than
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:arm64:*
2 cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:arm64:*
Configuration15 or higher or less more than less than
cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x86:*
2 cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x64:*
Configuration16 or higher or less more than less than
cpe:2.3:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:*
Configuration17 or higher or less more than less than
cpe:2.3:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x86:*
Configuration18 or higher or less more than less than
cpe:2.3:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*
2 cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
Configuration19 or higher or less more than less than
cpe:2.3:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*
Configuration20 or higher or less more than less than
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:arm64:*
Configuration21 or higher or less more than less than
cpe:2.3:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x86:*
2 cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x64:*
Configuration22 or higher or less more than less than
cpe:2.3:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
Configuration23 or higher or less more than less than
cpe:2.3:a:microsoft:.net_core:2.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2017:15.9:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2019:16.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_core:3.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2019:16.4:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2019:16.5:*:*:*:*:*:*:*
Configuration24 or higher or less more than less than
cpe:2.3:a:microsoft:powershell_core:6.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:powershell:7.0:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List
JVN Vulnerability Information
.NET Core および .NET Framework における脆弱性
Title .NET Core および .NET Framework における脆弱性
Summary

.NET Core または .NET Framework が Web 要求を適切に処理しない場合、サービス拒否の脆弱性が存在します。 ベンダは、本脆弱性を「.NET Core および .NET Framework のサービス拒否の脆弱性」として公開しています。

Possible impacts サービス運用妨害 (DoS) 状態にされる可能性があります。
Solution

ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。
Publication Date May 12, 2020, midnight
Registration Date June 30, 2020, 5:55 p.m.
Last Update June 30, 2020, 5:55 p.m.
Affected System
マイクロソフト
.NET Core 
Microsoft .NET Framework 
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
Change Log
No Changed Details Date of change
1 [2020年06月30日]
  掲載		 June 30, 2020, 5:55 p.m.