Cisco NX-OS Software Privilege Escalation Vulnerability

A vulnerability in the filesystem permissions of Cisco NX-OS Software could allow an authenticated, local attacker to access sensitive data that could be used to elevate their privileges to administrator. The vulnerability is due to improper implementation of filesystem permissions. An attacker could exploit this vulnerability by logging in to the CLI of an affected device, accessing a specific file, and leveraging this information to authenticate to the NX-API server. A successful exploit could allow an attacker to make configuration changes as administrator. Note: NX-API is disabled by default. Nexus 3000 Series Switches are affected in versions prior to 7.0(3)I7(4). Nexus 3500 Platform Switches are affected in versions prior to 7.0(3)I7(4). Nexus 3600 Platform Switches are affected in versions prior to 7.0(3)F3(5). Nexus 9000 Series Switches-Standalone are affected in versions prior to 7.0(3)I7(4). Nexus 9500 R-Series Line Cards and Fabric Modules are affected in versions prior to 7.0(3)F3(5).

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权限、特权和访问控制

Cisco NX-OS Software 权限许可和访问控制问题漏洞

Cisco NX-OS Software是美国思科（Cisco）公司的一套交换机使用的数据中心级操作系统软件。 Cisco NX-OS Software中的文件系统权限存在权限许可和访问控制漏洞，该漏洞源于程序错误地实现了文件系统权限。本地攻击者可利用该漏洞访问敏感信息，进而将权限提升至管理员权限。以下产品和版本受到影响：Cisco Nexus 3000 Series Switches 7.0(3)I7(4)之前版本；Nexus 3500 Platform Switches 7.0(3)I7(4)之前版本

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