cisco email-security-appliance CVE-2019-1831 is a vulnerability in Cisco Email Security Appliance
Published on April 18, 2019

Cisco Email Security Appliance Content Filter Bypass Vulnerability
A vulnerability in the email message 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 inserting specific character strings in the message. A successful exploit could allow the attacker to bypass configured content filters that would normally drop the email.

Vendor Advisory NVD

Weakness Type

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.


Products Associated with CVE-2019-1831

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Cisco Email Security Appliance
 

Affected Versions

Cisco Email Security Appliance (ESA) Version 11.1.2-023 is affected by CVE-2019-1831

Exploit Probability

EPSS
0.16%
Percentile
36.43%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.