The IBM Lenovo Access Support acpRunner ActiveX control, as distributed in acpcontroller.dll before 126.96.36.199 and possibly acpir.dll before 188.8.131.52 (Automated Solutions 1.0 before fix pack 1), exposes unsafe methods to arbitrary web domains, which allows remote attackers to download arbitrary code onto a client system and execute this code.
CVSS Severity (version 2.0):
Impact Subscore: 4.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized modification; Allows disruption of service
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US-CERT Vulnerability Note:
Vulnerable software and versions