CVE-2020-1421

Description

A remote code execution vulnerability exists in Microsoft Windows that could allow remote code execution if a .LNK file is processed.An attacker who successfully exploited this vulnerability could gain the same user rights as the local user, aka 'LNK Remote Code Execution Vulnerability'.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 47.99% Top 5%
Vendor Advisory microsoft.com
Affected: Microsoft Windows 10 Version 2004 for 32-bit Systems
Affected: Microsoft Windows 10 Version 2004 for ARM64-based Systems
Affected: Microsoft Windows 10 Version 2004 for x64-based Systems
Affected: Microsoft Windows Server, version 2004 (Server Core installation)
Affected: Microsoft Windows
Affected: Microsoft Windows Server
Affected: Microsoft Windows 10 Version 1909 for 32-bit Systems
Affected: Microsoft Windows 10 Version 1909 for x64-based Systems
Affected: Microsoft Windows 10 Version 1909 for ARM64-based Systems
Affected: Microsoft Windows Server, version 1909 (Server Core installation)
Affected: Microsoft Windows 10 Version 1903 for 32-bit Systems
Affected: Microsoft Windows 10 Version 1903 for x64-based Systems
Affected: Microsoft Windows 10 Version 1903 for ARM64-based Systems
Affected: Microsoft Windows Server, version 1903 (Server Core installation)
Published at:
Updated at:

References

Link Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1421 patch vendor advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-923/ vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-1421?
CVE-2020-1421 has been scored as a high severity vulnerability.
How to fix CVE-2020-1421?
To fix CVE-2020-1421, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-1421 being actively exploited in the wild?
It is possible that CVE-2020-1421 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~48% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-1421?
CVE-2020-1421 affects Microsoft Windows 10 Version 2004 for 32-bit Systems, Microsoft Windows 10 Version 2004 for ARM64-based Systems, Microsoft Windows 10 Version 2004 for x64-based Systems, Microsoft Windows Server, version 2004 (Server Core installation), Microsoft Windows, Microsoft Windows Server, Microsoft Windows 10 Version 1909 for 32-bit Systems, Microsoft Windows 10 Version 1909 for x64-based Systems, Microsoft Windows 10 Version 1909 for ARM64-based Systems, Microsoft Windows Server, version 1909 (Server Core installation), Microsoft Windows 10 Version 1903 for 32-bit Systems, Microsoft Windows 10 Version 1903 for x64-based Systems, Microsoft Windows 10 Version 1903 for ARM64-based Systems, Microsoft Windows Server, version 1903 (Server Core installation).
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