CVE-2021-1154 : Exploit Details and Defense Strategies
Learn about CVE-2021-1154 affecting Cisco Small Business RV Series Routers. Understand the impact, technical details, and mitigation strategies for this cross-site scripting vulnerability.
Cisco Small Business RV Series Routers are affected by multiple vulnerabilities in their web-based management interface, allowing remote attackers to conduct cross-site scripting attacks. These vulnerabilities could be exploited by sending crafted HTTP requests to the affected device.
Understanding CVE-2021-1154
This CVE-2021-1154 involves multiple vulnerabilities in the web-based management interface of Cisco Small Business RV Series Routers, leading to potential cross-site scripting attacks.
What is CVE-2021-1154?
The vulnerability in CVE-2021-1154 allows authenticated remote attackers to execute cross-site scripting attacks by exploiting insufficient input validation in the router's web-based management interface.
The Impact of CVE-2021-1154
A successful exploit of CVE-2021-1154 could enable attackers to execute arbitrary script code in the context of the affected interface or access sensitive browser-based information.
Technical Details of CVE-2021-1154
This section provides specific technical details related to the CVE-2021-1154 vulnerability.
Vulnerability Description
The vulnerability in the web-based management interface of Cisco Small Business RV Series Routers allows for cross-site scripting attacks due to inadequate input validation.
Affected Systems and Versions
The affected products include Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers with certain firmware versions.
Exploitation Mechanism
To exploit CVE-2021-1154, attackers need valid administrator credentials on the affected router. They can send specially crafted HTTP requests to execute the attack.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks posed by CVE-2021-1154.
Immediate Steps to Take
Update the affected firmware versions, restrict network access to the management interface, and monitor for any suspicious activities.
Long-Term Security Practices
Regularly update firmware, train users on secure practices, and conduct security assessments to identify and address vulnerabilities.
Patching and Updates
Stay informed about security advisories from Cisco and apply patches promptly to ensure protection against known vulnerabilities.