Vulnerability Details CVE-2019-1921
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 44.6%
CVSS Severity
CVSS v3 Score 5.8
CVSS v2 Score 5.0
References
Products affected by CVE-2019-1921
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cpe:2.3:a:cisco:email_security_appliance:12.0.0-419