CVE-2017-3813

A vulnerability in the Start Before Logon (SBL) module of Cisco AnyConnect Secure Mobility Client Software for Windows could allow an unauthenticated, local attacker to open Internet Explorer with the privileges of the SYSTEM user. The vulnerability is due to insufficient implementation of the access controls. An attacker could exploit this vulnerability by opening the Internet Explorer browser. An exploit could allow the attacker to use Internet Explorer with the privileges of the SYSTEM user. This may allow the attacker to execute privileged commands on the targeted system. This vulnerability affects versions prior to released versions 4.4.00243 and later and 4.3.05017 and later. Cisco Bug IDs: CSCvc43976.
Severity
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Atk. Vector
LOCAL
Atk. Complexity
LOW
Priv. Required
LOW
Base Score
CVSS 3.x
EPSS Score
Percentile: 40%
VendorProductVersion
ciscoanyconnect_secure_mobility_client
4.0.00048
ciscoanyconnect_secure_mobility_client
4.0.00051
ciscoanyconnect_secure_mobility_client
4.0.00052
ciscoanyconnect_secure_mobility_client
4.0.00057
ciscoanyconnect_secure_mobility_client
4.0.00061
ciscoanyconnect_secure_mobility_client
4.1.00028
ciscoanyconnect_secure_mobility_client
4.1.02011
ciscoanyconnect_secure_mobility_client
4.1.04011
ciscoanyconnect_secure_mobility_client
4.1.06013
ciscoanyconnect_secure_mobility_client
4.1.06020
ciscoanyconnect_secure_mobility_client
4.1.08005
ciscoanyconnect_secure_mobility_client
4.2.00096
ciscoanyconnect_secure_mobility_client
4.2.01022
ciscoanyconnect_secure_mobility_client
4.2.01035
ciscoanyconnect_secure_mobility_client
4.2.02075
ciscoanyconnect_secure_mobility_client
4.2.03013
ciscoanyconnect_secure_mobility_client
4.2.04018
ciscoanyconnect_secure_mobility_client
4.2.04039
ciscoanyconnect_secure_mobility_client
4.2.05015
ciscoanyconnect_secure_mobility_client
4.2.06014
ciscoanyconnect_secure_mobility_client
4.3.00748
ciscoanyconnect_secure_mobility_client
4.3.01095
ciscoanyconnect_secure_mobility_client
4.3.02039
ciscoanyconnect_secure_mobility_client
4.3.03086
ciscoanyconnect_secure_mobility_client
4.3.04027
𝑥
= Vulnerable software versions