SB2021121478 - Information disclosure in Microsoft Local Security Authority Server (lsasrv)
Published: December 14, 2021
Security Bulletin ID
SB2021121478
Severity
Medium
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 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2021-43216)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application in Microsoft Local Security Authority Server (lsasrv). A remote authenticated attacker can gain unauthorized access to sensitive information on the system.
Remediation
Install update from vendor's website.