CVE-2021-1489 Cisco Firepower Device Manager Software Filesystem Space Exhaustion Denial of Service Vulnerability
An authenticated remote attacker can exhaust filesystem resources by uploading files, causing a denial of service on Cisco Firepower Device Manager.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-1489?
CVE-2021-1489 is a medium-severity denial of service vulnerability in Cisco Firepower Threat Defense Software, published on 29 Apr 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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.
Weakness: CWE-400
Which versions are affected by CVE-2021-1489?
It affects 1 product.
Products include Cisco Firepower Device Manager.
How do I fix CVE-2021-1489?
No fix has been published for CVE-2021-1489 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-1489 being exploited?
There is no known exploitation of CVE-2021-1489 in the wild and no public exploit code.
Other vulnerabilities in Cisco Firepower Threat Defense Software
Sources
Also known as GHSA-8r35-6q65-m8qm.