#VU25484 Input validation error in Cisco AsyncOS for Cisco Email Security Appliance and Cisco Content Security Management Appliance - CVE-2019-1983
Published: February 20, 2020
Vulnerability identifier: #VU25484
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-2019-1983
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco AsyncOS for Cisco Email Security Appliance
Cisco Content Security Management Appliance
Cisco AsyncOS for Cisco Email Security Appliance
Cisco Content Security Management Appliance
Software vendor:
Cisco Systems, Inc
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 insufficient input validation of email attachments. A remote attacker can send an email message with a crafted attachment through an affected
device and cause a denial of service condition on the target system.
Remediation
Install updates from vendor's website.