Command injection in systeminformation - CVE-2020-26300
Published: October 26, 2020 / Updated: May 11, 2026
Vulnerability identifier: #VU130994
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-26300
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary commands.
The vulnerability exists due to command injection in the is.services(), is.inetChecksite(), si.inetLatency(), si.networkStats(), and si.processLoad() functions when processing unsanitized service parameter strings. A remote attacker can supply specially crafted input to execute arbitrary commands.
Affected software
systeminformation
How to mitigate CVE-2020-26300
Install security update from vendor's website.
systeminformation - update to 4.26.2