Vulnerability Database

289,598

Total vulnerabilities in the database

CVE-2024-20480

A vulnerability in the DHCP Snooping feature of Cisco IOS XE Software on Software-Defined Access (SD-Access) fabric edge nodes could allow an unauthenticated, remote attacker to cause high CPU utilization on an affected device, resulting in a denial of service (DoS) condition that requires a manual reload to recover.

This vulnerability is due to improper handling of IPv4 DHCP packets. An attacker could exploit this vulnerability by sending certain IPv4 DHCP packets to an affected device. A successful exploit could allow the attacker to cause the device to exhaust CPU resources and stop processing traffic, resulting in a DoS condition that requires a manual reload to recover.

  • Published: Sep 25, 2024
  • Updated: May 4, 2025
  • CVE: CVE-2024-20480
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.6
  • AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CWEs:

Software From Fixed in
cisco / ios_xe 16.2.1 16.2.1.x
cisco / ios_xe 16.1.3 16.1.3.x
cisco / ios_xe 16.1.2 16.1.2.x
cisco / ios_xe 16.6.1 16.6.1.x
cisco / ios_xe 16.1.1 16.1.1.x
cisco / ios_xe 16.4.1 16.4.1.x
cisco / ios_xe 16.2.2 16.2.2.x
cisco / ios_xe 16.3.1 16.3.1.x
cisco / ios_xe 16.3.1a 16.3.1a.x
cisco / ios_xe 16.3.2 16.3.2.x
cisco / ios_xe 16.3.3 16.3.3.x
cisco / ios_xe 16.5.1 16.5.1.x
cisco / ios_xe 16.5.1a 16.5.1a.x
cisco / ios_xe 16.3.4 16.3.4.x
cisco / ios_xe 16.5.1b 16.5.1b.x
cisco / ios_xe 16.4.2 16.4.2.x
cisco / ios_xe 16.3.5b 16.3.5b.x
cisco / ios_xe 16.3.6 16.3.6.x
cisco / ios_xe 16.6.3 16.6.3.x
cisco / ios_xe 16.8.1 16.8.1.x
cisco / ios_xe 16.7.1 16.7.1.x
cisco / ios_xe 16.6.2 16.6.2.x
cisco / ios_xe 16.9.1 16.9.1.x
cisco / ios_xe 16.3.5 16.3.5.x
cisco / ios_xe 16.5.2 16.5.2.x
cisco / ios_xe 16.8.1a 16.8.1a.x
cisco / ios_xe 16.8.1s 16.8.1s.x
cisco / ios_xe 16.8.1b 16.8.1b.x
cisco / ios_xe 16.8.2 16.8.2.x
cisco / ios_xe 16.7.2 16.7.2.x
cisco / ios_xe 16.8.1d 16.8.1d.x
cisco / ios_xe 16.7.3 16.7.3.x
cisco / ios_xe 16.7.1a 16.7.1a.x
cisco / ios_xe 16.7.1b 16.7.1b.x
cisco / ios_xe 16.8.1c 16.8.1c.x
cisco / ios_xe 16.8.1e 16.8.1e.x
cisco / ios_xe 16.4.3 16.4.3.x
cisco / ios_xe 16.9.1s 16.9.1s.x
cisco / ios_xe 16.9.1b 16.9.1b.x
cisco / ios_xe 16.5.3 16.5.3.x
cisco / ios_xe 16.3.7 16.3.7.x
cisco / ios_xe 16.3.8 16.3.8.x
cisco / ios_xe 16.6.4 16.6.4.x
cisco / ios_xe 16.10.1 16.10.1.x
cisco / ios_xe 16.7.4 16.7.4.x
cisco / ios_xe 16.9.1a 16.9.1a.x
cisco / ios_xe 16.9.2 16.9.2.x
cisco / ios_xe 16.6.4a 16.6.4a.x
cisco / ios_xe 16.12.1 16.12.1.x
cisco / ios_xe 16.6.5 16.6.5.x
cisco / ios_xe 16.11.1 16.11.1.x
cisco / ios_xe 17.1.1 17.1.1.x
cisco / ios_xe 16.11.1a 16.11.1a.x
cisco / ios_xe 16.12.1c 16.12.1c.x
cisco / ios_xe 16.12.1t 16.12.1t.x
cisco / ios_xe 16.11.2 16.11.2.x
cisco / ios_xe 16.12.1s 16.12.1s.x
cisco / ios_xe 16.12.1a 16.12.1a.x
cisco / ios_xe 16.12.1x 16.12.1x.x
cisco / ios_xe 16.11.1b 16.11.1b.x
cisco / ios_xe 16.11.1s 16.11.1s.x
cisco / ios_xe 16.12.1w 16.12.1w.x
cisco / ios_xe 16.10.1s 16.10.1s.x
cisco / ios_xe 16.10.1d 16.10.1d.x
cisco / ios_xe 16.6.6 16.6.6.x
cisco / ios_xe 16.6.5a 16.6.5a.x
cisco / ios_xe 16.3.9 16.3.9.x
cisco / ios_xe 16.9.3a 16.9.3a.x
cisco / ios_xe 16.10.1a 16.10.1a.x
cisco / ios_xe 16.10.1f 16.10.1f.x
cisco / ios_xe 16.10.1g 16.10.1g.x
cisco / ios_xe 16.10.2 16.10.2.x
cisco / ios_xe 16.9.3 16.9.3.x
cisco / ios_xe 16.12.1y 16.12.1y.x
cisco / ios_xe 16.10.1e 16.10.1e.x
cisco / ios_xe 16.10.1b 16.10.1b.x
cisco / ios_xe 16.8.3 16.8.3.x
cisco / ios_xe 16.10.1c 16.10.1c.x
cisco / ios_xe 16.9.4 16.9.4.x
cisco / ios_xe 16.12.2 16.12.2.x
cisco / ios_xe 16.12.2a 16.12.2a.x
cisco / ios_xe 16.6.7 16.6.7.x
cisco / ios_xe 16.10.3 16.10.3.x
cisco / ios_xe 16.12.4 16.12.4.x
cisco / ios_xe 16.12.8 16.12.8.x
cisco / ios_xe 16.3.10 16.3.10.x
cisco / ios_xe 16.9.5 16.9.5.x
cisco / ios_xe 16.9.5f 16.9.5f.x
cisco / ios_xe 16.6.8 16.6.8.x
cisco / ios_xe 16.12.3 16.12.3.x
cisco / ios_xe 17.2.1 17.2.1.x
cisco / ios_xe 17.4.1 17.4.1.x
cisco / ios_xe 16.6.9 16.6.9.x
cisco / ios_xe 17.1.1s 17.1.1s.x
cisco / ios_xe 17.1.1a 17.1.1a.x
cisco / ios_xe 16.12.2s 16.12.2s.x
cisco / ios_xe 16.12.3a 16.12.3a.x
cisco / ios_xe 17.1.1t 17.1.1t.x
cisco / ios_xe 16.3.11 16.3.11.x
cisco / ios_xe 17.2.1a 17.2.1a.x
cisco / ios_xe 17.2.1v 17.2.1v.x
cisco / ios_xe 16.12.3s 16.12.3s.x
cisco / ios_xe 17.2.1r 17.2.1r.x
cisco / ios_xe 16.12.4a 16.12.4a.x
cisco / ios_xe 17.1.3 17.1.3.x
cisco / ios_xe 17.2.2 17.2.2.x
cisco / ios_xe 17.3.1 17.3.1.x
cisco / ios_xe 17.4.1a 17.4.1a.x
cisco / ios_xe 17.3.2 17.3.2.x
cisco / ios_xe 17.4.1b 17.4.1b.x
cisco / ios_xe 17.3.1a 17.3.1a.x
cisco / ios_xe 17.3.2a 17.3.2a.x
cisco / ios_xe 17.3.1w 17.3.1w.x
cisco / ios_xe 17.2.3 17.2.3.x
cisco / ios_xe 16.9.6 16.9.6.x
cisco / ios_xe 17.3.1x 17.3.1x.x
cisco / ios_xe 16.12.5 16.12.5.x
cisco / ios_xe 16.12.5b 16.12.5b.x
cisco / ios_xe 16.12.1z1 16.12.1z1.x
cisco / ios_xe 16.12.5a 16.12.5a.x
cisco / ios_xe 17.5.1 17.5.1.x
cisco / ios_xe 16.12.1z2 16.12.1z2.x
cisco / ios_xe 17.3.1z 17.3.1z.x
cisco / ios_xe 17.3.3 17.3.3.x
cisco / ios_xe 16.9.7 16.9.7.x
cisco / ios_xe 17.5.1a 17.5.1a.x
cisco / ios_xe 17.6.1 17.6.1.x
cisco / ios_xe 17.3.4a 17.3.4a.x
cisco / ios_xe 17.4.2 17.4.2.x
cisco / ios_xe 17.3.4b 17.3.4b.x
cisco / ios_xe 17.6.1a 17.6.1a.x
cisco / ios_xe 17.3.4c 17.3.4c.x
cisco / ios_xe 16.6.10 16.6.10.x
cisco / ios_xe 17.4.2a 17.4.2a.x
cisco / ios_xe 16.9.8 16.9.8.x
cisco / ios_xe 17.3.4 17.3.4.x
cisco / ios_xe 17.6.1w 17.6.1w.x
cisco / ios_xe 16.12.6a 16.12.6a.x
cisco / ios_xe 16.12.6 16.12.6.x
cisco / ios_xe 17.6.3 17.6.3.x
cisco / ios_xe 17.9.1 17.9.1.x
cisco / ios_xe 16.12.7 16.12.7.x
cisco / ios_xe 17.3.5 17.3.5.x
cisco / ios_xe 17.6.2 17.6.2.x
cisco / ios_xe 17.6.3a 17.6.3a.x
cisco / ios_xe 17.7.1 17.7.1.x
cisco / ios_xe 17.7.1a 17.7.1a.x
cisco / ios_xe 17.7.2 17.7.2.x
cisco / ios_xe 17.8.1 17.8.1.x
cisco / ios_xe 17.8.1a 17.8.1a.x
cisco / ios_xe 17.11.1 17.11.1.x
cisco / ios_xe 17.10.1 17.10.1.x
cisco / ios_xe 17.3.6 17.3.6.x
cisco / ios_xe 17.3.5a 17.3.5a.x
cisco / ios_xe 17.3.5b 17.3.5b.x
cisco / ios_xe 17.6.4 17.6.4.x
cisco / ios_xe 17.9.1a 17.9.1a.x
cisco / ios_xe 17.9.1w 17.9.1w.x
cisco / ios_xe 16.12.9 16.12.9.x
cisco / ios_xe 17.3.7 17.3.7.x
cisco / ios_xe 17.6.1x 17.6.1x.x
cisco / ios_xe 17.6.1y 17.6.1y.x
cisco / ios_xe 17.6.1z 17.6.1z.x
cisco / ios_xe 17.6.1z1 17.6.1z1.x
cisco / ios_xe 17.6.5 17.6.5.x
cisco / ios_xe 17.7.1b 17.7.1b.x
cisco / ios_xe 17.10.1a 17.10.1a.x
cisco / ios_xe 17.10.1b 17.10.1b.x
cisco / ios_xe 17.9.2 17.9.2.x
cisco / ios_xe 17.9.1x 17.9.1x.x
cisco / ios_xe 17.9.1y 17.9.1y.x
cisco / ios_xe 17.9.3 17.9.3.x
cisco / ios_xe 17.9.2a 17.9.2a.x
cisco / ios_xe 17.9.1x1 17.9.1x1.x
cisco / ios_xe 17.9.3a 17.9.3a.x
cisco / ios_xe 17.9.1y1 17.9.1y1.x
cisco / ios_xe 17.11.1a 17.11.1a.x
cisco / ios_xe 17.11.99sw 17.11.99sw.x
cisco / ios_xe 17.6.5a 17.6.5a.x
cisco / ios_xe 17.13.1a 17.13.1a.x
cisco / ios_xe 17.13.1 17.13.1.x
cisco / ios_xe 17.12.1y 17.12.1y.x
cisco / ios_xe 17.12.2a 17.12.2a.x
cisco / ios_xe 17.12.3 17.12.3.x
cisco / ios_xe 17.12.2 17.12.2.x
cisco / ios_xe 17.12.1x 17.12.1x.x
cisco / ios_xe 17.12.1a 17.12.1a.x
cisco / ios_xe 17.12.1w 17.12.1w.x
cisco / ios_xe 17.12.1 17.12.1.x
cisco / ios_xe 17.9.5b 17.9.5b.x
cisco / ios_xe 17.9.5a 17.9.5a.x
cisco / ios_xe 17.9.4a 17.9.4a.x
cisco / ios_xe 17.9.5 17.9.5.x
cisco / ios_xe 17.9.4 17.9.4.x
cisco / ios_xe 17.6.7 17.6.7.x
cisco / ios_xe 17.6.6a 17.6.6a.x
cisco / ios_xe 17.6.6 17.6.6.x
cisco / ios_xe 17.3.8a 17.3.8a.x
cisco / ios_xe 17.3.8 17.3.8.x
cisco / ios_xe 16.12.11 16.12.11.x
cisco / ios_xe 16.12.10a 16.12.10a.x
cisco / ios_xe 16.12.10 16.12.10.x
cisco / ios_xe 17.14.1a 17.14.1a.x
cisco / ios_xe 17.12.3a 17.12.3a.x
cisco / ios_xe 17.14.1 17.14.1.x