TI-2020-03045 Aliases CVE-2020-3499 GHSA-785h-4hh2-8xhw

Cisco Firepower Management Center Software Denial of Service Vulnerability

MEDIUM 47CWE-399Published 2020-10-21 · Updated 2024-11-13

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.01956 80th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Cisco	Cisco Firepower Management Center	all versions	—	No fix listed	CNA

Cisco Firepower Management Center VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPE	Versions	Role	Vendor
cpe:2.3:a:cisco:secure_firewall_management_center:6.2.3:::::::*	6.2.3	Vulnerable	Cisco
cpe:2.3:a:cisco:secure_firewall_management_center:6.3.0:::::::*	6.3.0	Vulnerable	Cisco
cpe:2.3:a:cisco:secure_firewall_management_center:6.4.0:::::::*	6.4.0	Vulnerable	Cisco
cpe:2.3:a:cisco:secure_firewall_management_center:6.5.0:::::::*	6.5.0	Vulnerable	Cisco

cpe:2.3:a:cisco:secure_firewall_management_center:6.2.3:*:*:*:*:*:*:* Versions 6.2.3 Vulnerable ·Cisco
cpe:2.3:a:cisco:secure_firewall_management_center:6.3.0:*:*:*:*:*:*:* Versions 6.3.0 Vulnerable ·Cisco
cpe:2.3:a:cisco:secure_firewall_management_center:6.4.0:*:*:*:*:*:*:* Versions 6.4.0 Vulnerable ·Cisco
cpe:2.3:a:cisco:secure_firewall_management_center:6.5.0:*:*:*:*:*:*:* Versions 6.5.0 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-3499
2026-10-03 Alias added: GHSA-785h-4hh2-8xhw

References

Advisory 1

20201021 Cisco Firepower Management Center Software Denial of Service Vulnerability

TI-2026-16344 Cisco Secure Firewall Management Center Software Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 10.0
TI-2026-16292 Cisco Secure Firewall Management Center Authentication Bypass Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 10.0
TI-2026-16502 Cisco Secure Firewall Management Center Software Static Credential Vulnerability KEVCVSS 3.1MEDIUM 5.3
TI-2016-05515 The Threat Management Console in Cisco Firepower Management Center 5.2.0 through 6.0.1… CVSS 3.1HIGH 8.8
TI-2025-14563 Cisco Secure Firewall Management Center Software Radius Remote Code Execution Vulnerability CVSS 3.1CRITICAL 10.0
TI-2023-06757 Improper privilege management in Cisco Firepower Management Center CVSS 3.1CRITICAL 9.9

See all 186 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences