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Cisco Email Security Appliance Anti-Spam Scanner 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

6 years ago

Modified

Modified

3 years ago

Summary

Cisco Email Security Appliance contains a vulnerability that could allow an unauthenticated, remote attacker to bypass security restrictions.

Insight

Insight

The vulnerability is due to improper handling of a malformed packet in the anti-spam scanner. An attacker could exploit this vulnerability by sending a crafted DNS Sender Policy Framework (SPF) text record. An exploit could allow the attacker to bypass the anti-spam scanner and generate a malformed packet alert.

Affected Software

Affected Software

See Vendor advisory.

Detection Method

Detection Method

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

Solution

Solution

See Vendor advisory.

Common Vulnerabilities and Exposures (CVE)