CVE-2021-1294 : Exploit Details and Defense Strategies
Learn about CVE-2021-1294, multiple critical vulnerabilities in Cisco Small Business RV Series Router Firmware allowing remote code execution. Understand the impact, technical details, and mitigation measures.
Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers could allow remote attackers to execute arbitrary code. Learn more about the impact, technical details, and mitigation measures related to this CVE.
Understanding CVE-2021-1294
This section provides an overview of the vulnerability identified as CVE-2021-1294.
What is CVE-2021-1294?
CVE-2021-1294 refers to multiple vulnerabilities in Cisco Small Business RV Series Router Firmware that could permit unauthorized remote code execution on affected devices through crafted HTTP requests.
The Impact of CVE-2021-1294
The impact of CVE-2021-1294 is critical, with a CVSS base score of 9.8. Remote attackers can exploit these vulnerabilities to execute arbitrary code with root user privileges on affected VPN routers.
Technical Details of CVE-2021-1294
Delve into the technical aspects of CVE-2021-1294 to understand the vulnerability better.
Vulnerability Description
The vulnerabilities arise due to improper validation of HTTP requests in the web-based management interface of the affected Cisco VPN routers, enabling attackers to execute arbitrary code remotely.
Affected Systems and Versions
The affected products include Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers utilizing the impacted firmware version.
Exploitation Mechanism
Attackers can exploit these vulnerabilities by sending specifically crafted HTTP requests to the web-based management interface of the affected devices, granting them unauthorized access to execute malicious code remotely.
Mitigation and Prevention
Discover the necessary steps to secure your systems against CVE-2021-1294.
Immediate Steps to Take
Immediately update the firmware of the affected devices to the latest patched version provided by Cisco. Ensure that any remote management interfaces are not exposed to the internet.
Long-Term Security Practices
Implement robust network security measures, such as network segmentation, strong access control policies, and regular security audits to prevent unauthorized access.
Patching and Updates
Regularly monitor for security updates from Cisco and apply patches promptly to address any newly identified vulnerabilities.