cisco email-security-appliance CVE-2018-15460 is a vulnerability in Cisco Email Security Appliance
Published on January 10, 2019

Cisco Email Security Appliance URL Filtering Denial of Service Vulnerability
A vulnerability in the email message filtering feature of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) could allow an unauthenticated, remote attacker to cause the CPU utilization to increase to 100 percent, causing a denial of service (DoS) condition on an affected device. The vulnerability is due to improper filtering of email messages that contain references to whitelisted URLs. An attacker could exploit this vulnerability by sending a malicious email message that contains a large number of whitelisted URLs. A successful exploit could allow the attacker to cause a sustained DoS condition that could force the affected device to stop scanning and forwarding email messages.

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-2018-15460

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Cisco Email Security Appliance
 

Affected Versions

Cisco Email Security Appliance (ESA) Version n/a is affected by CVE-2018-15460

Exploit Probability

EPSS
0.38%
Percentile
59.22%

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.