CVE-2021-45595 : What You Need to Know
Learn about CVE-2021-45595, a command injection vulnerability in certain NETGEAR devices allowing authenticated users to execute arbitrary commands. Discover impacted systems and mitigation steps.
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects multiple device models before specific firmware versions.
Understanding CVE-2021-45595
This CVE identifies a command injection vulnerability in certain NETGEAR devices when exploited by an authenticated user.
What is CVE-2021-45595?
CVE-2021-45595 is a high-severity vulnerability impacting various NETGEAR devices, allowing an authenticated attacker to execute arbitrary commands.
The Impact of CVE-2021-45595
The vulnerability has the following impact:
- CVSS Base Score: 7.6 (High)
- Attack Vector: Adjacent Network
- Attack Complexity: High
- Privileges Required: High
- Confidentiality, Integrity, and Availability Impact: High
- Scope: Changed
- User Interaction: None
Technical Details of CVE-2021-45595
This section outlines the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability involves command injection by an authenticated user on affected NETGEAR devices.
Affected Systems and Versions
The following device models are affected:
- LBR20 before 2.6.3.50
- RBS50Y before 2.7.3.22
- RBR10 before 2.7.3.22
- RBR20 before 2.7.3.22
- RBR40 before 2.7.3.22
- RBR50 before 2.7.3.22
- RBS10 before 2.7.3.22
- RBS20 before 2.7.3.22
- RBS40 before 2.7.3.22
- RBS50 before 2.7.3.22
- RBK12 before 2.7.3.22
- RBK20 before 2.7.3.22
- RBK40 before 2.7.3.22
- RBK50 before 2.7.3.22
Exploitation Mechanism
The vulnerability can be exploited by authenticated users to run arbitrary commands on the affected devices.
Mitigation and Prevention
To address CVE-2021-45595, consider the following steps:
Immediate Steps to Take
- Update affected devices to the latest firmware versions.
- Restrict network access to vulnerable devices.
- Regularly monitor network traffic for suspicious activities.
Long-Term Security Practices
- Implement least privilege access controls.
- Conduct regular security assessments and audits.
- Educate users about safe browsing practices.
Patching and Updates
- Apply security patches provided by NETGEAR promptly.