SB2020031113 - Remote code execution in Microsoft Windows SMBv3
Published: March 11, 2020 Updated: June 14, 2023
Security Bulletin ID
SB2020031113
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2020-0796)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests. A remote attacker can trick a client to connect to a malicious SMB server and execute arbitrary code on the system.
Remediation
Install update from vendor's website.