Security restrictions bypass in Cisco Email Security Appliance - CVE-2017-12218

 

Security restrictions bypass in Cisco Email Security Appliance - CVE-2017-12218

Published: September 7, 2017


Vulnerability identifier: #VU8143
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-12218
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco Email Security Appliance

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to the failure of AMP to scan certain EML attachments that could contain malware. A remote attacker can bypass the configured ESA email message and content filtering and cause an email attachment containing malware to be delivered to the end user.

Successful exploitation of the vulnerability may result in further attacks.

How to mitigate CVE-2017-12218

Install update from vendor's website.

Sources