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A vulnerability in the REST API of the web-based user interface (web UI) of Cisco IOS XE 3.1 through 16.5 could allow an unauthenticated, remote attacker to bypass authentication to the REST API of the web UI of the affected software. The vulnerability is due to insufficient input validation for the REST API of the affected software. An attacker could exploit this vulnerability by sending a malicious API request to an affected device. A successful exploit could allow the attacker to bypass authentication and gain access to the web UI of the affected software. This vulnerability affects Cisco devices that are running a vulnerable release of Cisco IOS XE Software, if the HTTP Server feature is enabled for the device. The newly redesigned, web-based administration UI was introduced in the Denali 16.2 Release of Cisco IOS XE Software. This vulnerability does not affect the web-based administration UI in earlier releases of Cisco IOS XE Software. Cisco Bug IDs: CSCuz46036.

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认证机制不恰当

Cisco IOS XE 授权问题漏洞

Cisco IOS XE是美国思科（Cisco）公司为其网络设备开发的操作系统。 Cisco IOS XE 3.1版本至16.5版本中的基于Web的用户界面的REST API存在授权问题漏洞，该漏洞源于程序没有充分的对REST API执行验证输入。远程攻击者可利用该漏洞绕过身份验证，获取基于Web的用户界面的访问权限。

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