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Cisco Email Security Appliance Format String Vulnerability CVE-2015-6309

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CVSSv3 Score
Not available
Vulnerability description

Cisco Email Security Appliance contains a vulnerability that could allow an authenticated, remote attacker to cause a denial of service condition.

Risk description

The vulnerability is due to failure to release file descriptors when the requested file action is completed. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected device. A successful exploit could allow the attacker to cause a DoS condition due to the affected device failing to release file descriptors. When all file descriptors are in use, the device can reload unexpectedly. An authenticated, remote attacker could exploit this vulnerability to cause an affected device to reload unexpectedly, resulting in a DoS condition.


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.

Not available
Detectable with
Network Scanner
Scan engine
Exploitable with Sniper
CVE Published
Oct 2, 2015
Detection added at
Software Type
Not available
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