CVE-2021-1448 : Security Advisory and Response
Learn about CVE-2021-1448, a critical command injection vulnerability in Cisco Firepower Threat Defense Software, enabling attackers to execute malicious commands with root privileges.
A vulnerability in the CLI of Cisco Firepower Threat Defense (FTD) Software allows an authenticated, local attacker to execute arbitrary commands with root privileges, posing a high risk to affected systems.
Understanding CVE-2021-1448
This vulnerability in Cisco Firepower Threat Defense Software enables attackers to run malicious commands with elevated privileges, potentially leading to unauthorized control of the operating system.
What is CVE-2021-1448?
CVE-2021-1448 is a command injection vulnerability in Cisco Firepower Threat Defense (FTD) Software that occurs due to insufficient validation of user-supplied command arguments.
The Impact of CVE-2021-1448
The vulnerability could be exploited by attackers to execute commands on the underlying operating system with root privileges, compromising the security and integrity of the affected device.
Technical Details of CVE-2021-1448
This section provides insight into the specific details of the CVE, including the vulnerability description, affected systems and versions, as well as the exploitation mechanism.
Vulnerability Description
The flaw allows authenticated, local attackers to submit crafted input, leading to the execution of arbitrary commands with root privileges on FTD Software running in multi-instance mode.
Affected Systems and Versions
The vulnerability impacts Cisco Firepower Threat Defense Software with the specific version information not available.
Exploitation Mechanism
Attackers can exploit this vulnerability by submitting malicious input to the affected command, taking advantage of the inadequate validation process.
Mitigation and Prevention
In response to CVE-2021-1448, immediate action must be taken to secure impacted systems and prevent unauthorized access.
Immediate Steps to Take
Users are advised to apply security updates and patches provided by Cisco to address the vulnerability and prevent potential exploitation.
Long-Term Security Practices
Implementing robust security protocols and regular monitoring of system activity can help safeguard against similar vulnerabilities in the future.
Patching and Updates
Regularly checking for updates from Cisco and promptly applying patches can help mitigate the risk of exploitation and enhance the overall security posture of the system.