CVE-2021-1378: Cisco StarOS Denial of Service Vulnerability
A vulnerability in the SSH service of the Cisco StarOS operating system could allow an unauthenticated, remote attacker to cause an affected device to stop processing traffic, resulting in a denial of service (DoS) condition. The vulnerability is due to a logic error that may occur under specific traffic conditions. An attacker could exploit this vulnerability by sending a series of crafted packets to an affected device. A successful exploit could allow the attacker to prevent the targeted service from receiving any traffic, which would lead to a DoS condition on the affected device.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID for this Cisco StarOS vulnerability?
The vulnerability ID is CVE-2021-1378.
What is the severity rating of CVE-2021-1378?
The severity rating of CVE-2021-1378 is high (7.5).
What is the impact of CVE-2021-1378?
CVE-2021-1378 can cause an affected device to stop processing traffic, resulting in a denial of service (DoS) condition.
Which software is affected by CVE-2021-1378?
The Cisco StarOS operating system versions 21.9.0 through 21.19.10 are affected by CVE-2021-1378.
How can I fix CVE-2021-1378?
Apply the necessary updates or patches provided by Cisco to mitigate the vulnerability in the Cisco StarOS operating system.