SB2021040210 - Command injection in systeminformation
Published: April 2, 2021 Updated: May 11, 2026
Security Bulletin ID
SB2021040210
CSH 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 vulnerability.
1) Command injection (CVE-ID: CVE-2021-21388)
The vulnerability allows a remote attacker to execute arbitrary commands.
The vulnerability exists due to command injection in the systeminformation package functions si.inetLatency(), si.inetChecksite(), si.services(), and si.processLoad() when processing user-supplied service parameters. A remote attacker can pass specially crafted input to execute arbitrary commands.
Remediation
Install update from vendor's website.