Vulnerability Details CVE-2023-20178
A vulnerability in the client update process of Cisco AnyConnect Secure Mobility Client Software for Windows and Cisco Secure Client Software for Windows could allow a low-privileged, authenticated, local attacker to elevate privileges to those of SYSTEM. The client update process is executed after a successful VPN connection is established.
This vulnerability exists because improper permissions are assigned to a temporary directory that is created during the update process. An attacker could exploit this vulnerability by abusing a specific function of the Windows installer process. A successful exploit could allow the attacker to execute code with SYSTEM privileges.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.255
EPSS Ranking 95.9%
CVSS Severity
CVSS v3 Score 7.8
Products affected by CVE-2023-20178
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cpe:2.3:a:cisco:anyconnect_secure_mobility_client:-
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cpe:2.3:a:cisco:anyconnect_secure_mobility_client:4.10.03104
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cpe:2.3:a:cisco:anyconnect_secure_mobility_client:4.10.05085
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cpe:2.3:a:cisco:anyconnect_secure_mobility_client:4.10.05111
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cpe:2.3:a:cisco:anyconnect_secure_mobility_client:4.10.06090
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cpe:2.3:a:cisco:anyconnect_secure_mobility_client:4.8.00175
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cpe:2.3:a:cisco:anyconnect_secure_mobility_client:4.8.01090
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cpe:2.3:a:cisco:anyconnect_secure_mobility_client:4.8.02042
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cpe:2.3:a:cisco:anyconnect_secure_mobility_client:4.8.02045
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cpe:2.3:a:cisco:anyconnect_secure_mobility_client:4.8.03036
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cpe:2.3:a:cisco:anyconnect_secure_mobility_client:4.8.03043
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cpe:2.3:a:cisco:anyconnect_secure_mobility_client:4.8.03052
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cpe:2.3:a:cisco:anyconnect_secure_mobility_client:4.9.00086
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cpe:2.3:a:cisco:anyconnect_secure_mobility_client:4.9.01095
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cpe:2.3:a:cisco:anyconnect_secure_mobility_client:4.9.03047
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cpe:2.3:a:cisco:anyconnect_secure_mobility_client:4.9.03049
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cpe:2.3:a:cisco:anyconnect_secure_mobility_client:4.9.04043
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cpe:2.3:a:cisco:anyconnect_secure_mobility_client:4.9.05042
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cpe:2.3:a:cisco:anyconnect_secure_mobility_client:4.9.06037
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cpe:2.3:a:cisco:secure_client:*