SB2021051123 - Security features bypass in Microsoft Windows SMB Client
Published: May 11, 2021
Security Bulletin ID
SB2021051123
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Security features bypass (CVE-ID: CVE-2021-31205)
CWE-ID: CWE-254 - Security Features
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local attacker to bypass authentication process.
The vulnerability exists due to security feature bypass issue in Windows SMB Client. A remote attacker can gain access to sensitive information on the system.
Remediation
Install update from vendor's website.