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Cisco Email Security Appliance Filter Bypass 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:N/I:P/A:N

Solution Type

Solution Type

Vendor Patch

Created

Created

5 years ago

Modified

Modified

3 years ago

Summary

A vulnerability in the content scanning engine of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) could allow an unauthenticated, remote attacker to bypass configured message or content filters on the device.

Insight

Insight

The vulnerability is due to incomplete input validation of email message attachments in different formats. An attacker could exploit this vulnerability by sending a crafted email message with an attachment to the ESA.

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.

Common Vulnerabilities and Exposures (CVE)