#VU14432 Security restrictions bypass in Cisco Email Security Appliance

Published: 2018-08-15 | Updated: 2018-08-16

Vulnerability identifier: #VU14432

Vulnerability risk: Low


CVE-ID: CVE-2018-0419


Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco Email Security Appliance
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Cisco Systems, Inc


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

The vulnerability exists in certain attachment detection mechanisms of Cisco Email Security Appliances (ESA) due to improper detection of content within executable (EXE) files. A remote attacker can send a customized EXE file that is not recognized and blocked by the ESA., bypass the filtering functionality and send email messages that contain malicious executable files to unsuspecting users.

Install update from vendor's website.

Vulnerable software versions

Cisco Email Security Appliance: 10.0.0 203 - 11.0.0 264


External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

Latest bulletins with this vulnerability