CVE-2019-1905 is a vulnerability in Cisco Email Security Appliance
Published on June 20, 2019
Cisco Email Security Appliance GZIP Content Filter Bypass Vulnerability
A vulnerability in the GZIP decompression engine 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 validation of GZIP-formatted files. An attacker could exploit this vulnerability by sending a malicious file inside a crafted GZIP-compressed file. A successful exploit could allow the attacker to bypass configured content filters that would normally drop the email.
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-2019-1905
You can be notified by email with stack.watch whenever vulnerabilities like CVE-2019-1905 are published in Cisco Email Security Appliance:
Affected Versions
Cisco Email Security Appliance (ESA) Version 12.0 is affected by CVE-2019-1905Exploit Probability
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.