CVE-2018-5197
CWE-20Published: January 2, 2019· Updated: Jun 17, 2026
Official Description
A vulnerability in the ExtCommon.dll user extension module version 9.2, 9.2.1, 9.2.2 of Xplatform ActiveX could allow attacker to perform a command injection attack. The vulnerability is due to insufficient input validation of command parameters. An crafted malicious parameters could cause arbitrary command to execute.
Technical Analysis
CVE-2018-5197 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (4)
Quick Facts
Related CVEs (CWE-20)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2018-5197 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts