CVE:CVE-2015-4219
CNNVD:CNNVD-201506-491
Cisco Secure Access Control System和Cisco Identity Services Engine都是美国思科（Cisco）公司的产品。前者是一套安全访问控制系统。后者是一款基于身份的环境感知平台（ISE身份服务引擎）。
Cisco Secure Access Control System和Cisco Identity Services Engine中存在安全漏洞，该漏洞源于程序没有正确实现支持包的访问控制。远程攻击者可通过实施暴力破解攻击，发送有效的证书利用该漏洞获取敏感信息。以下产品及版本受到影响：Cisco Secure Access Control System 5.4.0.46.1及之前版本和5.5(0.46)版本，Cisco Identity Services Engine 1.0(4.573)版本。
solution:Upgrade cisco identity_services_engine_software to a higher version than 1.0.4.573,and avoid the version 1.0.4.573; Upgrade cisco secure_access_control_system to a higher version than 5.4.0.46.1,5.3.0.40.5,and avoid the version (,5.4.0.46.1],5.3.0.40.5