Cisco Email Security Appliance Content Filter Bypass Vulnerability

A vulnerability in the email message scanning of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass configured content filters on the device. The vulnerability is due to improper input validation of the email body. An attacker could exploit this vulnerability by inserting specific character strings in the message. A successful exploit could allow the attacker to bypass configured content filters that would normally drop the email.

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输入验证不恰当

Cisco Email Security Appliance 输入验证错误漏洞

Cisco Email Security Appliance（ESA）是美国思科（Cisco）公司的一个电子邮件安全设备。AsyncOS Software是运行在其中的一套操作系统。 Cisco ESA中的AsyncOS Software的邮件消息扫描存在输入验证错误漏洞，该漏洞源于网络系统或产品未对输入的数据进行正确的验证。

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