Security restrictions bypass in Cisco AsyncOS for Cisco Email Security Appliance - CVE-2016-1461
Published: July 28, 2016 / Updated: April 5, 2018
Vulnerability identifier: #VU228
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2016-1461
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco AsyncOS for Cisco Email Security Appliance
Cisco AsyncOS for Cisco Email Security Appliance
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass security controls on the target system.
The vulnerability exists due to improper application of message filtering rules to email attachments. A remote unauthenticated attacker can cause an ESA to fail to detect and act upon a specific type of file that is attached to an email message by sending an email message with a crafted attachment to an affected appliance.
Successful exploitation of this vulnerability may result in a host/resource access via network.
The vulnerability exists due to improper application of message filtering rules to email attachments. A remote unauthenticated attacker can cause an ESA to fail to detect and act upon a specific type of file that is attached to an email message by sending an email message with a crafted attachment to an affected appliance.
Successful exploitation of this vulnerability may result in a host/resource access via network.
How to mitigate CVE-2016-1461
Install update from vendor's website.