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Cisco Email Security Appliance Content Filter Bypass Vulnerability

cisco-sa-20161207-esa · Medium · Published · Updated

A vulnerability in the content filtering functionality of Cisco AsyncOS Software for Cisco Email Security Appliances could allow an unauthenticated, remote attacker to bypass user filters that are configured for an affected device. The vulnerability is due to improper filtering of certain TAR format files that are attached to email messages. An attacker could exploit this vulnerability by sending an email message that has a crafted TAR file attachment through an affected device. A successful exploit could allow the attacker to bypass user filters that are configured for the device. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161207-esa

Cisco advisory ·CSAF JSON

Workarounds

There are no workarounds that address this vulnerability.

CVEsCVE-2016-6465
Cisco Bug IDsCSCva90076
CVSS ScoreBase 5.0
Base 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N/E:F/RL:OF/RC:C
Product Names From Source
Cisco Web Security Appliance (WSA), Cisco Email Security Appliance (ESA), Cisco Secure Email, Cisco Secure Web Appliance

Related Products

Product CVE Evidence
Cisco Web Security Appliance (WSA) CVE-2016-6465 Cisco OpenVuln
Cisco Secure Web Appliance CVE-2016-6465 Cisco OpenVuln
Cisco Secure Email CVE-2016-6465 Cisco OpenVuln
Cisco Email Security Appliance (ESA) CVE-2016-6465 Cisco OpenVuln