发布日期：2022-04-27
更新日期：2022-05-07

受影响系统：

Cisco Cisco Adaptive Security Appliance
Cisco Cisco Firepower Threat Defense

描述：

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CVE(CAN) ID: CVE-2022-20715

Cisco Firepower Threat Defense是一套提供下一代防火墙服务的统一软件。Cisco Adaptive Security Appliances Software是一套防火墙和网络安全平台。
Cisco Adaptive Security Appliance (ASA) Software和Cisco Firepower Threat Defense (FTD) Software的远程访问SSL VPN功能存在拒绝服务漏洞。攻击者可利用该漏洞导致设备拒绝服务。

<*链接：https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-dos-tL4uA4AA
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建议：

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厂商补丁：

Cisco
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Cisco已经为此发布了一个安全公告（cisco-sa-asa-dos-tL4uA4AA）以及相应补丁:
cisco-sa-asa-dos-tL4uA4AA：Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerability
链接：https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-dos-tL4uA4AA

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