Resource exhaustion in Cisco Firepower Management Center

CVE-2020-3499

A vulnerability in the licensing service of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.The vulnerability is due to improper handling of system resource values by the affected system. An attacker could exploit this vulnerability by sending malicious requests to the targeted system. A successful exploit could allow the attacker to cause the affected system to become unresponsive, resulting in a DoS condition and preventing the management of dependent devices.

EPSS: 0.020 (78.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-3499?
CVE-2020-3499 is a high-severity vulnerability in Cisco Firepower Management Center, classified under CWE-399. CVSS score: 8.6/10. Published 2020-10-21.
How severe is CVE-2020-3499?
High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2020-3499 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.