Vulnerability Name:

CVE-2018-8171 (CCN-145388)

Assigned:2018-07-10
Published:2018-07-10
Updated:2021-06-30
Summary:A Security Feature Bypass vulnerability exists in ASP.NET when the number of incorrect login attempts is not validated, aka "ASP.NET Security Feature Bypass Vulnerability." This affects ASP.NET, ASP.NET Core 1.1, ASP.NET Core 1.0, ASP.NET Core 2.0, ASP.NET MVC 5.2.
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:H/A:N)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/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): High
Availibility (A): None
9.8 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-287
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2018-8171

Source: BID
Type: Third Party Advisory, VDB Entry
104659

Source: CCN
Type: BID-104659
Microsoft ASP.NET Core CVE-2018-8171 Security Bypass Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1041267

Source: XF
Type: UNKNOWN
ms-dotnet-cve20188171-sec-bypass(145388)

Source: CCN
Type: Microsoft Security TechCenter - July 2018
ASP.NET Security Feature Bypass Vulnerability

Source: CONFIRM
Type: Vendor Advisory, Patch
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8171

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:asp.net_model_view_controller:5.2:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:asp.net_webpages:3.2.3:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:asp.net_core:2.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:asp.net_core:1.1:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:asp.net_core:1.0:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:microsoft:asp.net_core:1.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:asp.net_core:1.1:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:asp.net_core:2.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:asp.net_model_view_controller:5.2:*:*:*:*:*:*:*
  • AND
  • cpe:/a:microsoft:visual_studio:2015:update3:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    microsoft asp.net model view controller 5.2
    microsoft asp.net webpages 3.2.3
    microsoft asp.net core 2.0
    microsoft asp.net core 1.1
    microsoft asp.net core 1.0
    microsoft asp.net core 1.0
    microsoft asp.net core 1.1
    microsoft asp.net core 2.0
    microsoft asp.net mvc 5.2
    microsoft visual studio 2015 3