Discover how CVE-2021-1152 exposes Cisco Small Business RV Series Router Firmware to XSS attacks. Learn about the impact, affected systems, exploitation, and mitigation steps.
Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV Series Router Firmware could allow an authenticated, remote attacker to conduct cross-site scripting (XSS) attacks, potentially executing arbitrary script code or accessing sensitive information.
Understanding CVE-2021-1152
This CVE involves vulnerabilities in the web-based management interface of Cisco Small Business RV Series Router Firmware that could be exploited by an authenticated, remote attacker to perform XSS attacks.
What is CVE-2021-1152?
The vulnerabilities in the web-based management interface of Cisco Small Business RV Series Router Firmware could lead to a cross-site scripting (XSS) attack if exploited. The flaws are a result of inadequate input validation by the interface.
The Impact of CVE-2021-1152
If successfully exploited, an attacker could execute arbitrary script code within the affected interface's context or gain access to sensitive, browser-based information. However, the attacker would need valid administrator credentials on the target device to exploit these vulnerabilities.
Technical Details of CVE-2021-1152
This section provides insights into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.
Vulnerability Description
The vulnerabilities stem from insufficient input validation by the web-based management interface, enabling the execution of XSS attacks through crafted HTTP requests.
Affected Systems and Versions
The affected products include Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers running the relevant firmware, with versions specified as 'n/a'.
Exploitation Mechanism
To exploit these vulnerabilities, an attacker must have valid administrator credentials on the targeted device, allowing them to send crafted HTTP requests to execute arbitrary script code.
Mitigation and Prevention
In the wake of CVE-2021-1152, it is crucial to implement immediate steps, establish long-term security practices, and stay vigilant about patching and updates.
Immediate Steps to Take
Organizations should review access controls, monitor network traffic for anomalies, and restrict interface access to authorized personnel only.
Long-Term Security Practices
Regular security training, penetration testing, and security audits can enhance the overall security posture of the network.
Patching and Updates
Stay informed about security advisories from Cisco and promptly apply recommended patches and updates to mitigate the risks associated with CVE-2021-1152.