Resource exhaustion in Cisco Email Security Appliance (Esa)

CVE-2020-3181

A vulnerability in the malware detection functionality in Cisco Advanced Malware Protection (AMP) in Cisco AsyncOS Software for Cisco Email Security Appliances (ESAs) could allow an unauthenticated remote attacker to exhaust resources on an affected device. The vulnerability is due to insufficient control over system memory allocation. An attacker could exploit this vulnerability by sending a crafted email through the targeted device. A successful exploit could allow the attacker to cause an email attachment that contains malware to be delivered to a user and cause email processing delays.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.016 (73.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-3181?
CVE-2020-3181 is a medium-severity vulnerability in Cisco Email Security Appliance (Esa), classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2020-03-04.
How severe is CVE-2020-3181?
Medium severity. CVSS v3 base score is 6.5 out of 10.