CVE Alert: CVE-2025-20209
Vulnerability Summary: CVE-2025-20209
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.
Affected Endpoints:
No affected endpoints listed.
Published Date:
3/12/2025, 4:15:22 PM
🔥 CVSS Score:
Exploit Status:
Not ExploitedReferences:
- https://blog.apnic.net/2024/09/02/crafting-endless-as-paths-in-bgp/
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xrike-9wYGpRGq
Recommended Action:
No proposed action available. Please refer to vendor documentation for updates.
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