Resource exhaustion in Cisco Systems, Inc products - CVE-2021-1489

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Main Vulnerability Database Vulnerabilities #VU52739

Resource exhaustion in Cisco Systems, Inc products - CVE-2021-1489

Published: April 29, 2021


Vulnerability identifier: #VU52739
CSH Severity: Low
CVSS v4: 6.9 [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]
CVE-ID: CVE-2021-1489
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

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

How to mitigate CVE-2021-1489

Install updates from vendor's website.

Cisco Firepower Device Manager - addressed in versions 6.6.4, 6.7.0.2

External References

Related Security Bulletins