Vulnerability Details : CVE-2020-0646
Public exploit exists!
A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka '.NET Framework Remote Code Execution Injection Vulnerability'.
Vulnerability category: Execute code
CVE-2020-0646 is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Microsoft .NET Framework Remote Code Execution Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Microsoft .NET Framework contains an improper input validation vulnerability that allows for remote code execution.
Added on
2021-11-03
Action due date
2022-05-03
Exploit prediction scoring system (EPSS) score for CVE-2020-0646
Probability of exploitation activity in the next 30 days: 97.46%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 100 % EPSS Score History EPSS FAQ
Metasploit modules for CVE-2020-0646
-
SharePoint Workflows XOML Injection
Disclosure Date: 2020-03-02First seen: 2020-04-26exploit/windows/http/sharepoint_workflows_xomlThis module exploits a vulnerability within SharePoint and its .NET backend that allows an attacker to execute commands using specially crafted XOML data sent to SharePoint via the Workflows functionality. Authors: - Spencer McIntyre - Soroush Dalili
CVSS scores for CVE-2020-0646
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
10.0
|
HIGH | AV:N/AC:L/Au:N/C:C/I:C/A:C |
10.0
|
10.0
|
NIST |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2020-0646
-
The product does not properly neutralize special elements that are used in XML, allowing attackers to modify the syntax, content, or commands of the XML before it is processed by an end system.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-0646
-
http://packetstormsecurity.com/files/156930/SharePoint-Workflows-XOML-Injection.html
SharePoint Workflows XOML Injection ≈ Packet StormExploit;Third Party Advisory;VDB Entry
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0646
CVE-2020-0646 | .NET Framework Remote Code Execution Injection VulnerabilityPatch;Vendor Advisory
Products affected by CVE-2020-0646
- cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*When used together with: Microsoft » Windows 8.1
- cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:3.0:sp2:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:*When used together with: Microsoft » Windows 8.1When used together with: Microsoft » Windows Rt 8.1
- cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:*When used together with: Microsoft » Windows 8.1When used together with: Microsoft » Windows Rt 8.1
- 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:*:*:*:*:*:*:*When used together with: Microsoft » Windows Server 2019