CVE-2021-1200 : What You Need to Know
Multiple vulnerabilities in Cisco Small Business RV Series Routers could allow remote attackers to execute arbitrary code or cause denial of service. Learn about impact, technical details, and mitigation.
Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers are impacted by multiple vulnerabilities in their web-based management interface. An authenticated attacker could exploit these vulnerabilities to execute arbitrary code or cause the device to restart unexpectedly.
Understanding CVE-2021-1200
This CVE involves multiple vulnerabilities in the web-based management interface of Cisco Small Business RV Series Routers.
What is CVE-2021-1200?
The vulnerabilities in Cisco Small Business RV Series Routers could allow a remote attacker to execute arbitrary code or cause a denial of service condition. The issues arise from improper validation of user input.
The Impact of CVE-2021-1200
An attacker with valid administrator credentials could exploit these vulnerabilities to execute arbitrary code as the root user on the underlying operating system or cause a denial of service by reloading the device.
Technical Details of CVE-2021-1200
The technical details of this CVE involve vulnerability description, affected systems and versions, and exploitation mechanism.
Vulnerability Description
The vulnerabilities are a result of improper validation of user-supplied input in the web-based management interface of the affected routers.
Affected Systems and Versions
Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers are confirmed to be affected. The specific affected version details are not available.
Exploitation Mechanism
An attacker could exploit these vulnerabilities by sending crafted HTTP requests to the affected device. Successful exploitation could lead to arbitrary code execution or device reload.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-1200, it is crucial to take immediate steps and implement long-term security practices.
Immediate Steps to Take
Ensure that the web-based management interface of the affected routers is not directly exposed to the internet. Limit access to authorized personnel only.
Long-Term Security Practices
Regularly monitor for security advisories from Cisco and apply patches promptly once available. Conduct security assessments and audits periodically.
Patching and Updates
As of the latest update, Cisco has not released software updates that address the vulnerabilities in the affected routers.