#VU24669 Input validation error in Cisco AsyncOS for Cisco Email Security Appliance - CVE-2020-3133

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Main Vulnerability Database Vulnerabilities #VU24669

#VU24669 Input validation error in Cisco AsyncOS for Cisco Email Security Appliance - CVE-2020-3133

Published: January 27, 2020


Vulnerability identifier: #VU24669
Vulnerability risk: Medium
CVSSv4.0: 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:Green
CVE-ID: CVE-2020-3133
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 bypass configured filters on the target device.

The vulnerability exists due to improper validation of incoming emails. A remote attacker can send a specially crafted email message to a recipient protected by the ESA and bypass the configured content filters, which could allow malicious content to pass through the device.


Remediation

Install updates from vendor's website.

External links