Vulnerability Name:

CVE-2020-1161 (CCN-181110)

Assigned:2019-11-04
Published:2020-05-12
Updated:2021-07-21
Summary:A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
7.5 High (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-20
CWE-400
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-1161

Source: XF
Type: UNKNOWN
ms-dotnet-cve20201161-dos(181110)

Source: CCN
Type: Microsoft Security TechCenter - May 2020
ASP.NET Core Denial of Service Vulnerability

Source: MISC
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1161

Source: CCN
Type: Mend Vulnerability Database
CVE-2020-1161

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:asp.net_core:3.1:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:* (Version >= 15.1 and <= 15.9)
  • OR cpe:/a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:* (Version >= 16.0 and <= 16.5)

    • Configuration RedHat 1:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:microsoft:visual_studio_2017:15.9:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:visual_studio_2019:16.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:asp.net_core:3.1:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:visual_studio_2019:16.4:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:visual_studio_2019:16.5:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.redhat.rhsa:def:20202250
    P
    		RHSA-2020:2250: dotnet3.1 security update (Important)
    2020-05-21
    BACK
    microsoft asp.net core 3.1
    microsoft visual studio 2017 *
    microsoft visual studio 2019 *
    microsoft visual studio 2017 15.9
    microsoft visual studio 2019 16.0
    microsoft asp.net core 3.1
    microsoft visual studio 2019 16.4
    microsoft visual studio 2019 16.5