Description
An information disclosure vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Information Disclosure Vulnerability'.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Windows 10 Version 1909 for 32-bit Systems | unspecified | — |
| Microsoft | Windows 10 Version 1909 for x64-based Systems | unspecified | — |
| Microsoft | Windows 10 Version 1909 for ARM64-based Systems | unspecified | — |
| Microsoft | Windows Server, version 1909 (Server Core installation) | unspecified | — |
| Microsoft | Windows 10 Version 1903 for 32-bit Systems | unspecified | — |
| Microsoft | Windows 10 Version 1903 for x64-based Systems | unspecified | — |
| Microsoft | Windows 10 Version 1903 for ARM64-based Systems | unspecified | — |
| Microsoft | Windows Server, version 1903 (Server Core installation) | unspecified | — |
| Microsoft | Windows 10 Version 2004 for ARM64-based Systems | unspecified | — |
| Microsoft | Windows 10 Version 2004 for x64-based Systems | unspecified | — |
| Microsoft | Windows 10 Version 2004 for 32-bit Systems | unspecified | — |
| Microsoft | Windows Server, version 2004 (Server Core installation) | unspecified | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 2 repositories
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jamf/CVE-2020-1206-POC ★ 144 · Apr 5, 2020
CVE-2020-1206 Uninitialized Kernel Memory Read POC
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datntsec/CVE-2020-1206 ★ 0 · Jan 7, 2021
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.