CVE-2020-3262 : Vulnerability Insights and Analysis
Learn about CVE-2020-3262, a high-severity vulnerability in Cisco Wireless LAN Controller (WLC) Software allowing remote attackers to trigger a denial of service (DoS) condition. Find out the impact, affected systems, and mitigation steps.
A vulnerability in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol handler of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
Understanding CVE-2020-3262
This CVE involves a vulnerability in Cisco Wireless LAN Controller (WLC) Software that could lead to a DoS attack.
What is CVE-2020-3262?
The vulnerability in the CAPWAP protocol handler of Cisco WLC Software allows attackers to trigger a DoS condition by sending malformed CAPWAP packets.
The Impact of CVE-2020-3262
- CVSS Base Score: 8.6 (High Severity)
- Attack Vector: Network
- Availability Impact: High
- An unauthenticated attacker can exploit this vulnerability to cause affected devices to restart, resulting in a DoS condition.
Technical Details of CVE-2020-3262
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability stems from insufficient validation of CAPWAP packets, enabling attackers to disrupt device operations.
Affected Systems and Versions
- Affected Product: Cisco Aironet Access Point Software
- Vendor: Cisco
- Affected Version: Not applicable (n/a)
Exploitation Mechanism
Attackers can exploit this vulnerability by sending a malformed CAPWAP packet to the affected device, causing it to restart and leading to a DoS condition.
Mitigation and Prevention
Protecting systems from this vulnerability requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply vendor-provided patches or updates promptly.
- Monitor network traffic for any signs of exploitation.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
- Cisco has likely released patches or updates to address this vulnerability. Ensure timely installation to mitigate the risk of exploitation.