Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2021-34770

A vulnerability in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol processing of Cisco IOS XE Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, remote attacker to execute arbitrary code with administrative privileges or cause a denial of service (DoS) condition on an affected device. The vulnerability is due to a logic error that occurs during the validation of CAPWAP packets. An attacker could exploit this vulnerability by sending a crafted CAPWAP packet to an affected device. A successful exploit could allow the attacker to execute arbitrary code with administrative privileges or cause the affected device to crash and reload, resulting in a DoS condition.

  • Published: Sep 23, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-34770
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.2
  • AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 9
  • AV:N/AC:L/Au:S/C:C/I:C/A:C

CWEs:

Software From Fixed in
cisco / ios_xe - -
cisco / ios_xe 3.15.1xbs 3.15.1xbs.x
cisco / ios_xe 3.15.2xbs 3.15.2xbs.x
cisco / ios_xe 16.6.4s 16.6.4s.x
cisco / ios_xe 16.10.1 16.10.1.x
cisco / ios_xe 16.10.1e 16.10.1e.x
cisco / ios_xe 16.10.1s 16.10.1s.x
cisco / ios_xe 16.11.1 16.11.1.x
cisco / ios_xe 16.11.1a 16.11.1a.x
cisco / ios_xe 16.11.1b 16.11.1b.x
cisco / ios_xe 16.11.1c 16.11.1c.x
cisco / ios_xe 16.11.2 16.11.2.x
cisco / ios_xe 16.12.1 16.12.1.x
cisco / ios_xe 16.12.1s 16.12.1s.x
cisco / ios_xe 16.12.1t 16.12.1t.x
cisco / ios_xe 16.12.2s 16.12.2s.x
cisco / ios_xe 16.12.2t 16.12.2t.x
cisco / ios_xe 16.12.3 16.12.3.x
cisco / ios_xe 16.12.3s 16.12.3s.x
cisco / ios_xe 16.12.4 16.12.4.x
cisco / ios_xe 16.12.4a 16.12.4a.x
cisco / ios_xe 17.1.1 17.1.1.x
cisco / ios_xe 17.1.1s 17.1.1s.x
cisco / ios_xe 17.1.1t 17.1.1t.x
cisco / ios_xe 17.1.2 17.1.2.x
cisco / ios_xe 17.1.3 17.1.3.x
cisco / ios_xe 17.2.1 17.2.1.x
cisco / ios_xe 17.2.1a 17.2.1a.x
cisco / ios_xe 17.3.1 17.3.1.x