CVE-2021-1167 : Vulnerability Insights and Analysis
Explore CVE-2021-1167, a critical vulnerability in Cisco Small Business RV Series Router Firmware, allowing remote attackers to execute arbitrary code or trigger device restarts. Learn about the impact, technical details, affected systems, and mitigation steps.
Cisco Small Business RV Series Router Firmware presents multiple vulnerabilities in the web-based management interface. These could potentially allow a remote attacker to execute arbitrary code or cause an affected device to restart unexpectedly. Read on to understand the details and impact.
Understanding CVE-2021-1167
This section explores what CVE-2021-1167 entails and its potential impact.
What is CVE-2021-1167?
CVE-2021-1167 involves vulnerabilities in the web-based management interface of Cisco Small Business RV routers. These vulnerabilities could permit a remote attacker to execute arbitrary code or trigger an unexpected device restart.
The Impact of CVE-2021-1167
The impact of CVE-2021-1167 is significant, as it could lead to unauthorized code execution or denial of service due to improper validation of user input in the device's management interface.
Technical Details of CVE-2021-1167
Explore the technical specifics of CVE-2021-1167 and how it affects systems.
Vulnerability Description
The vulnerabilities arise from inadequate validation of user input within the web-based management interface, allowing attackers to send crafted HTTP requests to execute arbitrary code or cause DoS conditions.
Affected Systems and Versions
Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers are affected by these vulnerabilities in the web-based management interface.
Exploitation Mechanism
To exploit CVE-2021-1167, an attacker requires valid administrator credentials on the affected device and can send crafted HTTP requests, leading to unauthorized code execution or device restart.
Mitigation and Prevention
Learn how to mitigate the risks associated with CVE-2021-1167 and prevent potential exploitation.
Immediate Steps to Take
As Cisco has not yet released software updates addressing these vulnerabilities, it is recommended to monitor for official patches and security advisories. Regularly review access controls and network activity to detect potential exploitation.
Long-Term Security Practices
Implement a proactive security posture that includes regular security updates, network segmentation, strong access controls, and employee security awareness training to prevent future exploits.
Patching and Updates
Stay informed about the release of software updates from Cisco that address the vulnerabilities. Apply patches promptly to mitigate the risks associated with CVE-2021-1167.