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Cisco Email Security Appliance Attachment Filter Bypass Vulnerability
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
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 filters on the device.
Insight
Insight
The vulnerability is due to improper input validation of an email with an attachment and modified Multipurpose Internet Mail Extensions (MIME) header. An attacker could exploit this vulnerability by sending a malformed email message with an attachment.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
See the referenced vendor advisory for a solution.