cisco ios_xe 初始化不恰当

CVE编号

CVE-2021-34697

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 Protection Against Distributed Denial of Service Attacks feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct denial of service (DoS) attacks to or through the affected device. This vulnerability is due to incorrect programming of the half-opened connections limit, TCP SYN flood limit, or TCP SYN cookie features when the features are configured in vulnerable releases of Cisco IOS XE Software. An attacker could exploit this vulnerability by attempting to flood traffic to or through the affected device. A successful exploit could allow the attacker to initiate a DoS attack to or through an affected device.
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。
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
系统 cisco ios_xe * From
(including)
17.3.1
Up to
(excluding)
17.3.3
CVSS3评分
8.6
  • 攻击路径
    网络
  • 攻击复杂度
  • 权限要求
  • 影响范围
    已更改
  • 用户交互
  • 可用性
  • 保密性
  • 完整性
CWE-ID 漏洞类型
CWE-665 初始化不恰当
阿里云安全产品覆盖情况