CVE-2019-1921 — Cisco Email Security Appliance Content Filter Bypass Vulnerability
A vulnerability in the attachment scanning of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass configure…
Published: 2019-07-06 · CVSS: 5.8 · CVSS 3.0
A vulnerability in the attachment scanning of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass configured content filters on the device. The vulnerability is due to improper input validation of the email body. An attacker could exploit this vulnerability by naming a malicious attachment with a specific pattern. A successful exploit could allow the attacker to bypass configured content filters that would normally block the attachment.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7