Description

A vulnerability in the Internet Key Exchange version 2 (IKEv2) function of Cisco IOS XR Software could allow an unauthenticated, remote attacker to prevent an affected device from processing any control plane UDP packets.  This vulnerability is due to improper handling of malformed IKEv2 packets. An attacker could exploit this vulnerability by sending malformed IKEv2 packets to an affected device. A successful exploit could allow the attacker to prevent the affected device from processing any control plane UDP packets, resulting in a denial of service (DoS) condition. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

INFO

Published Date :

2025-03-12T16:13:12.340Z

Last Modified :

2025-03-12T17:51:32.083Z

Source :

cisco
AFFECTED PRODUCTS

The following products are affected by CVE-2025-20209 vulnerability.

Vendors Products
Cisco
  • Ios Xr
  • Ios Xr Software
  • Ncs 1004
  • Ncs 1010
  • Ncs 1014
  • Ncs 540l
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-20209.

URL Resource
https://blog.apnic.net/2024/09/02/crafting-endless-as-paths-in-bgp/ cve-icon cve-icon
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xrike-9wYGpRGq cve-icon cve-icon
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CVSS Vulnerability Scoring System

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