CVE-2017-3813

High

Description

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.

SeverityHigh
CVSS7.8
Exploit probability—
ProductCisco Anyconnect Secure Mobility Client
PublishedFeb 9, 2017
First seenFeb 9, 2017
Weakness typeCWE-264CWE-264

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
cisco anyconnect_secure_mobility_client4.0.00048, 4.0.00051, 4.0.00052, 4.0.00057, 4.0.00061, 4.1.00028, 4.1.02011, 4.1.04011, 4.1.06013, 4.1.06020, 4.1.08005, 4.2.00096, 4.2.01022, 4.2.01035, 4.2.02075, 4.2.03013, 4.2.04018, 4.2.04039, 4.2.05015, 4.2.06014, 4.3.00748, 4.3.01095, 4.3.02039, 4.3.03086, 4.3.04027—

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