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Cisco Email Security Appliance File Type Filtering Vulnerability

Information

Severity

Severity

Medium

Family

Family

CISCO

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Solution Type

Solution Type

Vendor Patch

Created

Created

6 years ago

Modified

Modified

4 years ago

Summary

A vulnerability in the email message filtering feature of Cisco AsyncOS for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to cause an ESA to fail to detect and act upon a specific type of file that is attached to an email message. The vulnerability is due to improper application of message filtering rules to email attachments that contain a specific type of file and are submitted to an affected appliance. An attacker could exploit this vulnerability by sending an email message with a crafted attachment to an affected appliance. A successful exploit could allow the attacker to cause the ESA to fail to detect and act upon possible malware in the email attachment.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Upgrade to Cisco ESA version 9.1.1-038 or later.

Common Vulnerabilities and Exposures (CVE)