Vulnerability in Microsoft Windows 10 Version 1903 For 32-bit Systems
CVE-2020-0796
A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Remote Code Execution Vulnerability'.
EPSS: 0.944 (100.0th percentile) — read the EPSS interpretation.
Affected products
- Microsoft Windows 10 Version 1903 For 32-bit Systems — versions unspecified
- Microsoft Windows 10 Version 1903 For Arm64-based Systems — versions unspecified
- Microsoft Windows 10 Version 1903 For X64-based Systems — versions unspecified
- Microsoft Windows 10 Version 1909 For 32-bit Systems — versions unspecified
- Microsoft Windows 10 Version 1909 For Arm64-based Systems — versions unspecified
- Microsoft Windows 10 Version 1909 For X64-based Systems — versions unspecified
- Microsoft Windows Server, Version 1903 (Server Core Installation) — versions unspecified
- Microsoft Windows Server, Version 1909 (Server Core Installation) — versions unspecified
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0796 (x_refsource_MISC)
- packetstormsecurity.com/files/156731/CoronaBlue-SMBGhost-Microsoft-Windows-10-S… (x_refsource_MISC)
- packetstormsecurity.com/files/156732/Microsoft-Windows-SMB-3.1.1-Remote-Code-Ex… (x_refsource_MISC)
- packetstormsecurity.com/files/156980/Microsoft-Windows-10-SMB-3.1.1-Local-Privi… (x_refsource_MISC)
- packetstormsecurity.com/files/157110/SMBv3-Compression-Buffer-Overflow.html (x_refsource_MISC)
- packetstormsecurity.com/files/157901/Microsoft-Windows-SMBGhost-Remote-Code-Exe… (x_refsource_MISC)
- packetstormsecurity.com/files/158054/SMBleed-SMBGhost-Pre-Authentication-Remote… (x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-0796?
- CVE-2020-0796 is a vulnerability in Microsoft Windows 10 Version 1903 For 32-bit Systems. Published 2020-03-12.
- Is CVE-2020-0796 known to be exploited?
- Yes. CVE-2020-0796 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-02-10), indicating it is being actively exploited. 470 public proof-of-concept repositories are indexed.