CVE-2024-20390: Cisco IOS XR Software Dedicated XML Agent TCP Denial of Service Vulnerability
A vulnerability in the Dedicated XML Agent feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) on XML TCP listen port 38751. This vulnerability is due to a lack of proper error validation of ingress XML packets. An attacker could exploit this vulnerability by sending a sustained, crafted stream of XML traffic to a targeted device. A successful exploit could allow the attacker to cause XML TCP port 38751 to become unreachable while the attack traffic persists.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2024-20390?
CVE-2024-20390 is considered a high severity vulnerability allowing denial of service attacks.
How do I fix CVE-2024-20390?
To fix CVE-2024-20390, upgrade the Cisco IOS XR Software to the latest version that exceeds 24.1.2.
Who is affected by CVE-2024-20390?
CVE-2024-20390 affects devices running Cisco IOS XR Software versions prior to 24.1.2.
What type of attack does CVE-2024-20390 enable?
CVE-2024-20390 enables unauthenticated, remote attackers to cause denial of service on the XML TCP listen port.
What component is involved in CVE-2024-20390?
CVE-2024-20390 involves the Dedicated XML Agent feature of Cisco IOS XR Software.