CRITICAL KEV Used in ransomware campaigns ⚠
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'
Published Mar 12, 2020 ·Due Aug 10, 2022
10.0
CRITICALCVSS 3.1
EPSS 99.81%
Description
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'.
Affected products
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Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Windows 10 Version 1903 for 32-bit Systems | n/a |
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| Microsoft | Windows 10 Version 1903 for ARM64-based Systems | n/a |
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| Microsoft | Windows 10 Version 1903 for x64-based Systems | n/a |
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| Microsoft | Windows 10 Version 1909 for 32-bit Systems | n/a |
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| Microsoft | Windows 10 Version 1909 for ARM64-based Systems | n/a |
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| Microsoft | Windows 10 Version 1909 for x64-based Systems | n/a |
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| Microsoft | Windows Server, version 1903 (Server Core installation) | n/a |
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| Microsoft | Windows Server, version 1909 (Server Core installation) | n/a |
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OR
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No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Weaknesses (1)
References (8)
- http://packetstormsecurity.com/files/156731/CoronaBlue-SMBGhost-Microsoft-Windows-10-SMB-3.1.1-Proof-Of-Concept.html x_refsource_MISCThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/156732/Microsoft-Windows-SMB-3.1.1-Remote-Code-Execution.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/156980/Microsoft-Windows-10-SMB-3.1.1-Local-Privilege-Escalation.html x_refsource_MISCThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/157110/SMBv3-Compression-Buffer-Overflow.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/157901/Microsoft-Windows-SMBGhost-Remote-Code-Execution.html x_refsource_MISCThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/158054/SMBleed-SMBGhost-Pre-Authentication-Remote-Code-Execution-Proof-Of-Concept.html x_refsource_MISCThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0796 x_refsource_MISCPatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0796 government-resourceUS Government Resource
Change history (6)
- CISA ADP
- SSVC automatable changed from no to
yes no → yes
- SSVC automatable changed from no to
yes
- CISA ADP
- SSVC automatable changed from yes to
no yes → no
- SSVC automatable changed from yes to
no
- CISA ADP
- SSVC automatable changed from no to
yes no → yes
- SSVC automatable changed from no to
yes
- CISA ADP
- SSVC automatable changed from yes to
no yes → no
- SSVC automatable changed from yes to
no
- CISA ADP
- SSVC automatable changed from no to
yes no → yes
- SSVC automatable changed from no to
yes
- CISA ADP
- SSVC automatable changed from yes to
no yes → no
- SSVC automatable changed from yes to
no
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Mar 12, 2020
Updated Oct 1, 2026
Reserved Nov 4, 2019
Link CVE-2020-0796
CISA Vulnrichment
Updated Aug 12, 2026