CVE-2018-0419

Description

A vulnerability in certain attachment detection mechanisms of Cisco Email Security Appliances (ESA) could allow an unauthenticated, remote attacker to bypass the filtering functionality of an affected system. The vulnerability is due to the improper detection of content within executable (EXE) files. An attacker could exploit this vulnerability by sending a customized EXE file that is not recognized and blocked by the ESA. A successful exploit could allow an attacker to send email messages that contain malicious executable files to unsuspecting users. Cisco Bug IDs: CSCvh03786.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.26%
Vendor Advisory cisco.com
Affected: Cisco Systems, Inc. Email Security Appliance (ESA)
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/105112 vdb entry third party advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180815-esa-file-bypass vendor advisory
http://www.securitytracker.com/id/1041531 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-0419?
CVE-2018-0419 has been scored as a high severity vulnerability.
How to fix CVE-2018-0419?
To fix CVE-2018-0419, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-0419 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-0419 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-0419?
CVE-2018-0419 affects Cisco Systems, Inc. Email Security Appliance (ESA).
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