CVE-2021-1197 : Vulnerability Insights and Analysis
Learn about CVE-2021-1197 impacting Cisco Small Business RV series routers. Discover the critical remote command execution and denial of service vulnerabilities and steps for mitigation.
Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers are prone to multiple vulnerabilities in their web-based management interface. An authenticated attacker could exploit these vulnerabilities to execute arbitrary code or lead to unexpected device restarts.
Understanding CVE-2021-1197
This CVE highlights critical vulnerabilities in the Cisco Small Business RV Series Routers that could impact the security and stability of the affected devices.
What is CVE-2021-1197?
The vulnerability in the web-based management interface of Cisco Small Business RV Series Routers allows a remote attacker with proper authentication to execute malicious code or disrupt device operations.
The Impact of CVE-2021-1197
The vulnerabilities could enable an attacker to gain root access to the operating system, leading to arbitrary code execution or causing the device to reload unexpectedly, resulting in a denial of service (DoS) condition.
Technical Details of CVE-2021-1197
This section provides insight into the specific technical aspects of the CVE.
Vulnerability Description
The vulnerabilities arise from improper validation of user input within the web-based management interface, enabling attackers to send crafted HTTP requests and exploit the system.
Affected Systems and Versions
The affected products include Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers with specific firmware versions.
Exploitation Mechanism
To exploit these vulnerabilities, an attacker must possess valid administrator credentials for the targeted device and send specially-crafted HTTP requests.
Mitigation and Prevention
Effective strategies to protect systems against CVE-2021-1197 are vital for maintaining security standards.
Immediate Steps to Take
For immediate security enhancement, users should restrict network access to the affected devices and prioritize the implementation of security best practices.
Long-Term Security Practices
Regular security audits, monitoring network traffic, and applying the principle of least privilege are essential long-term security measures.
Patching and Updates
Users are advised to remain vigilant for official software updates from Cisco that address the identified vulnerabilities.