Cisco Email Security Appliance FTP Denial of Service 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:N/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

5 years ago

Modified

Modified

3 years ago

Summary

A vulnerability in local FTP to the Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to cause a partial denial of service (DoS) condition when the FTP application unexpectedly quits. The vulnerability is due to improper input validation of user-supplied fields when logging in using FTP. An attacker could exploit this vulnerability by opening an FTP connection to the targeted device and crafting user-supplied parameters. An exploit could allow the attacker to cause a partial DoS condition when the FTP process unexpectedly quits. This vulnerability does not impact other user traffic. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

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)

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