| Vulnerability Name: | CVE-2021-1721 (CCN-195571) |
| Assigned: | 2020-12-02 |
| Published: | 2021-02-09 |
| Updated: | 2021-08-16 |
| Summary: | .NET Core and Visual Studio Denial of Service Vulnerability |
| CVSS v3 Severity: | 6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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): Required | | Scope: | Scope (S): Unchanged
| | Impact Metrics: | Confidentiality (C): None
Integrity (I): None
Availibility (A): High |
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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): Required | | Scope: | Scope (S): Unchanged
| | Impact Metrics: | Confidentiality (C): None
Integrity (I): None
Availibility (A): High |
6.5 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.7 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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): Required | | Scope: | Scope (S): Unchanged
| | Impact Metrics: | Confidentiality (C): None
Integrity (I): None
Availibility (A): High |
|
| CVSS v2 Severity: | 4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)| Exploitability Metrics: | Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None | | Impact Metrics: | Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial |
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C)| Exploitability Metrics: | Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
| | Impact Metrics: | Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete |
|
| Vulnerability Type: | CWE-noinfo
CWE-674
|
| Vulnerability Consequences: | Denial of Service |
| References: | Source: MITRE
Type: CNA
CVE-2021-1721
Source: XF
Type: UNKNOWN
ms-dotnet-cve20211721-dos(195571)
Source: CCN
Type: Microsoft Security TechCenter - February 2021
.NET Core and Visual Studio Denial of Service Vulnerability
Source: N/A
Type: Patch, Vendor Advisory
N/A
Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2021-1721
|
| Vulnerable Configuration: | Configuration 1:
cpe:/a:microsoft:.net:*:*:*:*:*:*:*:* (Version >= 5.0 and <= 5.0.2)OR cpe:/a:microsoft:.net_core:*:*:*:*:*:*:*:* (Version >= 2.1 and <= 2.1.24)OR cpe:/a:microsoft:.net_core:*:*:*:*:*:*:*:* (Version >= 3.1 and <= 3.1.11)OR cpe:/a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:* (Version >= 15.0 and <= 15.9)OR cpe:/a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:* (Version >= 16.0 and <= 16.8)OR cpe:/a:microsoft:powershell_core:7.0:*:*:*:*:*:*:*OR cpe:/a:microsoft:powershell_core:7.1:*:*:*:*:*:*:*
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:.net_core:2.1:-:*:*:*:*:*:*OR cpe:/a:microsoft:.net_core:3.1:-:*:*:*:*:*:*OR cpe:/a:microsoft:.net_core:5.0:-:*:*:*:*:*:*
 Denotes that component is vulnerable |
| Oval Definitions |
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