Cisco IOS-XR: CVE-2024-20390: Cisco IOS XR Software Dedicated XML Agent TCP Denial of Service Vulnerability

Cisco IOS-XR: CVE-2024-20390: Cisco IOS XR Software Dedicated XML Agent TCP Denial of Service Vulnerability

Severity

5

CVSS

(AV:N/AC:L/Au:N/C:N/I:N/A:P)

Published

09/11/2024

Created

09/13/2024

Added

09/12/2024

Modified

11/13/2024

Description

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.

Solution(s)

• update-xros

References

• https://attackerkb.com/topics/cve-2024-20390
• CVE - 2024-20390
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-xml-tcpdos-ZEXvrU2S
• cisco-sa-iosxr-xml-tcpdos-ZEXvrU2S