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CVE-2020-0796

Microsoft SMBv3 Remote Code Execution Vulnerability

n/a
CVSS
99.8%
EPSS (exploit prob.)
100.0%
EPSS percentile
Yes
Actively exploited
Yes
Ransomware use
2022-02-10
Added

Summary

A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests. An attacker who successfully exploited the vulnerability could gain the ability to execute code on the target server or client.

Affected software

Vendor: Microsoft  ·  Product: SMBv3

Weakness types (CWE):

CWE-119

What to do

This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.

Related vulnerabilities in Microsoft

CVENameEPSSExploited
CVE-2021-34473 Microsoft Exchange Server Remote Code Execution Vulnerability 100.0% Yes
CVE-2021-26855 Microsoft Exchange Server Remote Code Execution Vulnerability 100.0% Yes
CVE-2019-0708 Microsoft Remote Desktop Services Remote Code Execution Vulnerability 100.0% Yes
CVE-2015-1635 Microsoft HTTP.sys Remote Code Execution Vulnerability 100.0% Yes
CVE-2021-34523 Microsoft Exchange Server Privilege Escalation Vulnerability 100.0% Yes
CVE-2022-41082 Microsoft Exchange Server Remote Code Execution Vulnerability 100.0% Yes
CVE-2012-0158 Microsoft MSCOMCTL.OCX Remote Code Execution Vulnerability 100.0% Yes
CVE-2020-0688 Microsoft Exchange Server Validation Key Remote Code Execution Vulnerability 100.0% Yes

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All information is aggregated from public sources for awareness only and does not constitute an accusation or a security assessment. No personal data or credentials are published.