CVE-2020-3500: Cisco StarOS IPv6 Denial of Service Vulnerability
A vulnerability in the IPv6 implementation of Cisco StarOS could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient validation of incoming IPv6 traffic. An attacker could exploit this vulnerability by sending a crafted IPv6 packet to an affected device with the goal of reaching the vulnerable section of the input buffer. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition. This vulnerability is specific to IPv6 traffic. IPv4 traffic is not affected.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID for this Cisco StarOS vulnerability?
The vulnerability ID for this Cisco StarOS vulnerability is CVE-2020-3500.
What is the severity of CVE-2020-3500?
The severity of CVE-2020-3500 is high with a CVSS score of 8.6.
What is the affected software for CVE-2020-3500?
The affected software for CVE-2020-3500 includes Cisco StarOS versions up to and excluding 21.18.3.
What is the impact of CVE-2020-3500?
CVE-2020-3500 can allow an unauthenticated remote attacker to cause a denial of service (DoS) condition on an affected device.
Is there a fix available for CVE-2020-3500?
Cisco has released a security advisory with mitigation details and software updates to address the vulnerability. Please refer to the Cisco Security Advisory for more information.