CVE-2021-1180 : What You Need to Know
Multiple vulnerabilities in Cisco Small Business RV Series Router Firmware could allow attackers to execute code or disrupt services. Learn about impact, mitigation, and patching.
A vulnerability in the web-based management interface of Cisco Small Business RV Series Routers could allow a remote attacker to execute arbitrary code or cause a denial of service.
Understanding CVE-2021-1180
This CVE refers to multiple vulnerabilities in the Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers that can be exploited by an authenticated attacker to gain root access or disrupt device services.
What is CVE-2021-1180?
The vulnerability stems from inadequate validation of user inputs in the router's web interface, enabling attackers to send crafted HTTP requests to execute code or trigger device restarts.
The Impact of CVE-2021-1180
The vulnerability poses a serious threat as attackers with admin access can execute code with high privileges or crash devices, leading to service disruptions and potential data breaches.
Technical Details of CVE-2021-1180
The vulnerability has a CVSS base score of 7.2, indicating a high severity issue that requires urgent attention and mitigation.
Vulnerability Description
The flaw allows attackers to exploit the router's web interface, execute code, and disrupt services without the need for user interaction or complex attack methods.
Affected Systems and Versions
The vulnerability affects Cisco Small Business RV Series Router Firmware across multiple versions, highlighting the widespread impact and urgency for patching.
Exploitation Mechanism
By sending malicious HTTP requests, attackers can leverage the vulnerability to execute arbitrary code or cause service disruptions, emphasizing the critical need for immediate action.
Mitigation and Prevention
The following steps are crucial to mitigating the risks associated with CVE-2021-1180.
Immediate Steps to Take
- Monitor Cisco's security advisories for updates addressing the vulnerability.
- Apply patches or workarounds provided by Cisco promptly to safeguard the routers against exploitation.
Long-Term Security Practices
- Regularly update router firmware to ensure protection against known vulnerabilities.
- Implement network segmentation and access controls to limit the impact of potential attacks.
Patching and Updates
Cisco is yet to release software updates addressing the vulnerability. Stay tuned to their security advisories for patch releases and follow their guidance on applying the fixes.