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A vulnerability in the account management subsystem of Cisco Web Security Appliance (WSA) could allow an authenticated, local attacker to elevate privileges to root. The attacker must authenticate with valid administrator credentials. The vulnerability is due to improper implementation of access controls. An attacker could exploit this vulnerability by authenticating to the device as a specific user to gain the information needed to elevate privileges to root in a separate login shell. A successful exploit could allow the attacker to escape the CLI subshell and execute system-level commands on the underlying operating system as root. Cisco Bug IDs: CSCvj93548.

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访问控制不恰当

Cisco Web Security Appliance 访问控制错误漏洞

Cisco Web Security Appliance（WSA）是美国思科（Cisco）公司的一套Web安全设备。该设备提供基于SaaS的访问控制、实时网络报告和追踪、制定安全策略等功能。 Cisco WSA中的账户管理子系统存在访问控制错误漏洞。本地攻击者可利用该漏洞绕过CLI subshell，在底层操作系统上以root权限执行系统级命令。

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