Cisco Web Security Appliance HTTP Load 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 Wont Fix

Created

Created

5 years ago

Modified

Modified

3 years ago

Summary

A vulnerability in HTTP request forwarding with Cisco AsyncOS for Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition due to link saturation.

Insight

Insight

The vulnerability is due to how HTTP data ranges are downloaded from the destination server. An attacker could exploit this vulnerability by sending multiple crafted HTTP requests to the targeted device.

Detection Method

Detection Method

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

Solution

Solution

No known solution was made available for at least one year since the disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one.

Common Vulnerabilities and Exposures (CVE)

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