#VU25480 Input validation error in Cisco AsyncOS for Cisco Email Security Appliance - CVE-2019-1947

 

#VU25480 Input validation error in Cisco AsyncOS for Cisco Email Security Appliance - CVE-2019-1947

Published: February 20, 2020


Vulnerability identifier: #VU25480
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-1947
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco AsyncOS for Cisco Email Security Appliance
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists within the email message filtering feature due to improper handling of email messages that contain large attachments. A remote attacker can send a malicious email message through the targeted device and cause a permanent DoS condition due to high CPU utilization.


Remediation

Install updates from vendor's website.

External links