CVE-2020-3287 : Vulnerability Insights and Analysis
Learn about CVE-2020-3287 involving multiple vulnerabilities in Cisco Small Business RV Series Routers, allowing attackers to execute arbitrary code with root privileges. Find mitigation steps and patching details here.
Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV Series Routers could allow an attacker to execute arbitrary code with root privileges.
Understanding CVE-2020-3287
This CVE involves multiple vulnerabilities in Cisco Small Business RV Series Routers that could be exploited by an authenticated, remote attacker with administrative privileges.
What is CVE-2020-3287?
The vulnerabilities in the web-based management interface of Cisco Small Business RV Series Routers allow an attacker to execute arbitrary code on the affected device by sending crafted requests with overly large values, causing a stack overflow.
The Impact of CVE-2020-3287
The impact of this CVE is rated as HIGH, with a CVSS base score of 7.2. An attacker could crash the device or execute arbitrary code with root privileges on the underlying operating system.
Technical Details of CVE-2020-3287
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerabilities are a result of insufficient boundary restrictions on user-supplied input to scripts in the web-based management interface of the routers.
Affected Systems and Versions
- Cisco Small Business RV320 and RV325 Series Routers
- Cisco Small Business RV016, RV042, and RV082 Routers
Exploitation Mechanism
An attacker with administrative privileges can exploit the vulnerabilities by sending crafted requests with overly large values, causing a stack overflow.
Mitigation and Prevention
Protecting against CVE-2020-3287 is crucial for system security.
Immediate Steps to Take
- Apply the latest security patches from Cisco.
- Restrict network access to the management interface of the routers.
- Monitor network traffic for any signs of exploitation.
Long-Term Security Practices
- Regularly update firmware and software to address security vulnerabilities.
- Implement strong password policies and multi-factor authentication.
Patching and Updates
- Cisco has released patches to address the vulnerabilities. Ensure timely installation of these patches to secure the affected devices.