cisco ios_xe 在命令中使用的特殊元素转义处理不恰当（命令注入）

CVE编号

CVE-2021-34729

利用情况

暂无

补丁情况

N/A

披露时间

2021-09-23

漏洞描述

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software and Cisco IOS XE Software could allow an authenticated, local attacker to execute arbitrary commands with elevated privileges on an affected device. This vulnerability is due to insufficient validation of arguments passed to certain CLI commands. An attacker could exploit this vulnerability by including malicious input in the argument of an affected command. A successful exploit could allow the attacker to execute arbitrary commands with elevated privileges on the underlying operating system. An attacker would need valid user credentials to exploit this vulnerability.

解决建议

建议您更新当前系统或软件至最新版，完成漏洞的修复。

参考链接
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-s...

受影响软件情况

#	类型	厂商	产品	版本	影响面
1
	运行在以下环境
	应用	cisco	ios_xe	*		Up to (including) 17.3.1a

CVSS3评分 6.7

• 攻击路径 本地
• 攻击复杂度 低
• 权限要求 高
• 影响范围 未更改
• 用户交互 无
• 可用性 高
• 保密性 高
• 完整性 高

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CWE-ID 漏洞类型 CWE-77 在命令中使用的特殊元素转义处理不恰当（命令注入）