cvedb.io
CVE-2020-3533
HIGH · CVSS 8.6
EPSS exploitation probability: 76%
Published 2020-10-21T19:15:17.043 · Last modified 2026-08-11T19:37:30.880

Summary

A vulnerability in the Simple Network Management Protocol (SNMP) input packet processor of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to restart unexpectedly. The vulnerability is due to a lack of sufficient memory management protections under heavy SNMP polling loads. An attacker could exploit this vulnerability by sending a high rate of SNMP requests to the SNMP daemon through the management interface on an affected device. A successful exploit could allow the attacker to cause the SNMP daemon process to consume a large amount of system memory over time, which could then lead to an unexpected device restart, causing a denial of service (DoS) condition. This vulnerability affects all versions of SNMP.

Affected products

cisco — secure_firewall_threat_defense

Does this affect you?

Add your gear to cvedb and we'll alert you only when cisco ships something exploited.

Check my exposure →

References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.