CVE-2020-3264 : Exploit Details and Defense Strategies
Learn about CVE-2020-3264, a high-severity vulnerability in Cisco SD-WAN Solution software allowing unauthorized access and system changes. Find mitigation steps and patching details here.
A vulnerability in Cisco SD-WAN Solution software could allow an authenticated, local attacker to cause a buffer overflow on an affected device. The vulnerability is due to insufficient input validation, enabling an attacker to gain unauthorized access and make unauthorized changes.
Understanding CVE-2020-3264
This CVE involves a buffer overflow vulnerability in Cisco SD-WAN Solution software, potentially leading to unauthorized access and system changes.
What is CVE-2020-3264?
The vulnerability in Cisco SD-WAN Solution software allows a local attacker to trigger a buffer overflow by sending crafted traffic, leading to unauthorized access and system changes.
The Impact of CVE-2020-3264
The vulnerability could enable an attacker to access unauthorized information and make unauthorized system changes, posing a high severity risk.
Technical Details of CVE-2020-3264
This section provides technical details about the vulnerability.
Vulnerability Description
The vulnerability in Cisco SD-WAN Solution software results from insufficient input validation, allowing a local attacker to cause a buffer overflow on an affected device.
Affected Systems and Versions
- Product: Cisco SD-WAN Solution
- Vendor: Cisco
- Affected Version: n/a
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Local
- Privileges Required: Low
- User Interaction: None
- Scope: Unchanged
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: None
- CVSS Base Score: 7.1 (High)
Mitigation and Prevention
Protecting systems from CVE-2020-3264 requires immediate action and long-term security practices.
Immediate Steps to Take
- Apply vendor-provided patches or updates promptly.
- Monitor vendor advisories for security patches.
- Implement network segmentation to limit the impact of potential attacks.
Long-Term Security Practices
- Regularly update and patch software and systems.
- Conduct security training for employees on identifying and reporting potential security threats.
- Implement strong access controls and authentication mechanisms.
Patching and Updates
- Regularly check for security updates from Cisco.
- Apply patches as soon as they are released to mitigate the vulnerability effectively.