CVE-2020-1464
Windows Spoofing Vulnerability
- State
- Published
- Severity
- 7.8 High
- Published
- Aug 17, 2020
- Updated
- Oct 21, 2025
- Reserved
- Nov 4, 2019
Description
A spoofing vulnerability exists when Windows incorrectly validates file signatures. An attacker who successfully exploited this vulnerability could bypass security features and load improperly signed files. In an attack scenario, an attacker could bypass security features intended to prevent improperly signed files from being loaded. The update addresses the vulnerability by correcting how Windows validates file signatures.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C | microsoft |
Weaknesses
- CWE-347 Improper Verification of Cryptographic Signature
Affected Products
| Product | Versions |
|---|---|
Windows 10 Version 1803Microsoft |
|
Windows 10 Version 1809Microsoft |
|
Windows Server 2019Microsoft |
|
Windows Server 2019 (Server Core installation)Microsoft |
|
Windows 10 Version 1909Microsoft |
|
Windows Server, version 1909 (Server Core installation)Microsoft |
|
Windows 10 Version 1709 for 32-bit SystemsMicrosoft |
|
Windows 10 Version 1709Microsoft |
|
Windows 10 Version 1903 for 32-bit SystemsMicrosoft |
|
Windows 10 Version 1903 for x64-based SystemsMicrosoft |
|
Windows 10 Version 1903 for ARM64-based SystemsMicrosoft |
|
Windows Server, version 1903 (Server Core installation)Microsoft |
|
Windows 10 Version 2004Microsoft |
|
Windows Server version 2004Microsoft |
|
Windows 10 Version 1507Microsoft |
|
Windows 10 Version 1607Microsoft |
|
Windows Server 2016Microsoft |
|
Windows Server 2016 (Server Core installation)Microsoft |
|
Windows 7Microsoft |
|
Windows 7 Service Pack 1Microsoft |
|
Windows 8.1Microsoft |
|
Windows Server 2008 Service Pack 2Microsoft |
|
Windows Server 2008 Service Pack 2 (Server Core installation)Microsoft |
|
Windows Server 2008 Service Pack 2Microsoft |
|
Windows Server 2008 R2 Service Pack 1Microsoft |
|
Windows Server 2008 R2 Service Pack 1 (Server Core installation)Microsoft |
|
Windows Server 2012Microsoft |
|
Windows Server 2012 (Server Core installation)Microsoft |
|
Windows Server 2012 R2Microsoft |
|
Windows Server 2012 R2 (Server Core installation)Microsoft |
|
References
- https://medium.com/%40TalBeerySec/glueball-the-story-of-cve-2020-1464-50091a1f98bd
- https://krebsonsecurity.com/2020/08/microsoft-put-off-fixing-zero-day-for-2-years/
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1464
- https://blog.virustotal.com/2019/01/distribution-of-malicious-jar-appended.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1464government-resource
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