Remote Code Execution Vulnerability in Microsoft .NET Framework
CVE-2020-0646

9.8CRITICAL

Key Information:

Vendor
Microsoft
Status
Microsoft .net Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2
Microsoft .net Framework 4.6.2/4.7/4.7.1/4.7.2
Microsoft .net Framework 4.8 On Windows 10 Version 1803 For 32-bit Systems
Microsoft .net Framework 4.8 On Windows 10 Version 1803 For X64-based Systems
Vendor
CVE Published:
14 January 2020

Badges

👾 Exploit Exists🟣 EPSS 97%🦅 CISA Reported

Summary

A vulnerability exists in the Microsoft .NET Framework due to improper input validation, leading to remote code execution. An attacker exploiting this flaw could execute arbitrary code on the target system, thereby compromising its confidentiality, integrity, and availability. Mitigation strategies involve ensuring that the .NET Framework is updated to incorporate the latest security patches issued by Microsoft. For detailed information, refer to the Microsoft security advisory.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply updates per vendor instructions.

Affected Version(s)

Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2

Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2

Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2

References

https://portal.msrc.microsoft.com/en-US/security-guidance...
x_refsource_MISC
http://packetstormsecurity.com/files/156930/SharePoint-Wo...
x_refsource_MISC

EPSS Score

97% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • Vulnerability published

  • Vulnerability Reserved

.