Resource exhaustion in Cisco Systems, Inc products - CVE-2021-1489
Published: April 29, 2021
Vulnerability identifier: #VU52739
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-1489
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco Firepower Device Manager
Firepower 1000 Series Appliances
Firepower 2100 Series Security Appliance
Cisco Firepower 4100 Series Next-Generation Firewall
Cisco Firepower 9300 Security Appliance
Cisco Firepower Device Manager
Firepower 1000 Series Appliances
Firepower 2100 Series Security Appliance
Cisco Firepower 4100 Series Next-Generation Firewall
Cisco Firepower 9300 Security Appliance
Detailed vulnerability description
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources in filesystem usage management. A remote administrator can trigger resource exhaustion and perform a denial of service (DoS) attack.
How to mitigate CVE-2021-1489
Install updates from vendor's website.