CVE-2020-3115 : What You Need to Know

A vulnerability in the CLI of the Cisco SD-WAN Solution vManage software could allow an authenticated, local attacker to elevate privileges to root-level privileges on the underlying operating system.

Understanding CVE-2020-3115

This CVE involves a local privilege escalation vulnerability in the Cisco SD-WAN Solution.

What is CVE-2020-3115?

The vulnerability in the Cisco SD-WAN Solution vManage software allows an authenticated local attacker to gain root-level privileges due to insufficient input validation.

The Impact of CVE-2020-3115

The vulnerability has a CVSS base score of 8.8, indicating a high severity level with significant impacts on confidentiality, integrity, and availability of the affected system.

Technical Details of CVE-2020-3115

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability in the CLI of the Cisco SD-WAN Solution vManage software enables an attacker to escalate privileges to root-level by sending a crafted file to the system.

Affected Systems and Versions

Product: Cisco SD-WAN Solution
Vendor: Cisco
Affected Version: Unspecified

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Local
Privileges Required: Low
User Interaction: None
Scope: Changed
Exploitation can lead to high impacts on confidentiality, integrity, and availability.

Mitigation and Prevention

Protecting systems from CVE-2020-3115 is crucial to prevent unauthorized privilege escalation.

Immediate Steps to Take

Apply vendor-provided patches or updates promptly.
Monitor system logs for any suspicious activities.
Restrict network access to the affected system.

Long-Term Security Practices

Conduct regular security assessments and audits.
Implement the principle of least privilege to limit access rights.
Educate users on safe computing practices.

Patching and Updates

Regularly check for security advisories from Cisco.
Apply security patches as soon as they are released to mitigate the vulnerability.