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Cisco Email Security Appliance AsyncOS TCP Flood Denial of Service Vulnerability
Information
Severity
Severity
High
Family
Family
CISCO
CVSSv2 Base
CVSSv2 Base
7.8
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Solution Type
Solution Type
Vendor Patch
Created
Created
8 years ago
Modified
Modified
5 years ago
Summary
A vulnerability in the network stack of Cisco AsyncOS for Email Security Appliance could allow an unauthenticated, remote attacker to exhaust all available memory, preventing the affected device from accepting new TCP connections.
Insight
Insight
The vulnerability is due to improper handling of TCP packets sent at a high rate. An attacker could exploit this vulnerability by sending crafted TCP packets to the affected system.
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.