What is CVE-2021-1489?

CVE-2021-1489 is a medium-severity vulnerability in Cisco Firepower Threat Defense Software, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2021-04-29.

How severe is CVE-2021-1489?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Cisco Firepower Threat Defense Software

CVE-2021-1489

A vulnerability in filesystem usage management for Cisco Firepower Device Manager (FDM) Software could allow an authenticated, remote attacker to exhaust filesystem resources, resulting in a denial of service (DoS) condition on an affected device. This vulnerability is due to the insufficient management of available filesystem resources. An attacker could exploit this vulnerability by uploading files to the device and exhausting available filesystem resources. A successful exploit could allow the attacker to cause database errors and cause the device to become unresponsive to web-based management. Manual intervention is required to free filesystem resources and return the device to an operational state.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.012 (64.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2021-1489?: CVE-2021-1489 is a medium-severity vulnerability in Cisco Firepower Threat Defense Software, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2021-04-29.
How severe is CVE-2021-1489?: Medium severity. CVSS v3 base score is 6.5 out of 10.