CVE:CVE-2020-3321
CNNVD:CNNVD-202006-339
Cisco Webex Network Recording Player和Cisco Webex Network Webex Player都是美国思科（Cisco）公司的一款用于播放视频会议记录的播放器。
Cisco Webex Network Recording Player和Cisco Webex Player基于Windows平台存在输入验证错误漏洞。攻击者可通过链接或邮件附件发送恶意的ARF或WRF文件并诱使用户打开该文件利用该漏洞造成进程崩溃，导致拒绝服务。
solution:Upgrade cisco webex_player to a higher version than 3.0,3.0,3.0:maintenance_release1,3.0:maintenance_release2,4.0,4.0:maintenance_release1,4.0:maintenance_release2,and avoid the version (,3.0),3.0,3.0:maintenance_release1,3.0:maintenance_release2,4.0,4.0:maintenance_release1,4.0:maintenance_release2; Upgrade cisco webex_network_recording_player to a higher version than 3.0,3.0,3.0:maintenance_release1,3.0:maintenance_release2,4.0,4.0:maintenance_release1,4.0:maintenance_release2,and avoid the version (,3.0),3.0,3.0:maintenance_release1,3.0:maintenance_release2,4.0,4.0:maintenance_release1,4.0:maintenance_release2