Improper input validation in Cisco Email Security Appliance (Esa)

CVE-2020-3133

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 filters on the device. The vulnerability is due to improper validation of incoming emails. An attacker could exploit this vulnerability by sending a crafted email message to a recipient protected by the ESA. A successful exploit could allow the attacker to bypass the configured content filters, which could allow malicious content to pass through the device.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.014 (70.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-3133?
CVE-2020-3133 is a high-severity vulnerability in Cisco Email Security Appliance (Esa), classified under Improper Input Validation. CVSS score: 7.5/10. Published 2020-09-23.
How severe is CVE-2020-3133?
High severity. CVSS v3 base score is 7.5 out of 10.