CVE-2021-34769

Multiple vulnerabilities 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 cause a denial of service (DoS) condition on an affected device. These vulnerabilities are due to insufficient validation of CAPWAP packets. An attacker could exploit the vulnerabilities by sending a malformed CAPWAP packet to an affected device. A successful exploit could allow the attacker to cause the affected device to crash and reload, resulting in a DoS condition.
Configurations

Configuration 1 (hide)

AND
OR cpe:2.3:o:cisco:ios_xe:3.15.1xbs:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.15.2xbs:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.3.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.3.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.3.2a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.4.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.5.1:*:*:*:*:*:*:*
OR cpe:2.3:h:cisco:catalyst_9800:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800-40:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800-40_wireless_controller:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800-80:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800-80_wireless_controller:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800-cl:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800-l:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800-l-c:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800-l-f:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800_embedded_wireless_controller:-:*:*:*:*:*:*:*

History

13 Oct 2021, 14:48

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : 7.8
v3 : 7.5
CWE CWE-415
References (CISCO) https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ewlc-capwap-dos-gmNjdKOY - (CISCO) https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ewlc-capwap-dos-gmNjdKOY - Vendor Advisory
CPE cpe:2.3:h:cisco:catalyst_9800:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.15.1xbs:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800-80_wireless_controller:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.15.2xbs:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800-l:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.3.2a:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800-80:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800-40:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800_embedded_wireless_controller:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.5.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.3.1:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800-40_wireless_controller:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800-l-f:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800-cl:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.3.2:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800-l-c:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.4.1:*:*:*:*:*:*:*

23 Sep 2021, 03:15

Type Values Removed Values Added
New CVE

Information

Published : 2021-09-23 03:15

Updated : 2023-12-10 14:09


NVD link : CVE-2021-34769

Mitre link : CVE-2021-34769

CVE.ORG link : CVE-2021-34769


JSON object : View

Products Affected

cisco

  • catalyst_9800-80_wireless_controller
  • ios_xe
  • catalyst_9800-40
  • catalyst_9800-cl
  • catalyst_9800-l-f
  • catalyst_9800-l-c
  • catalyst_9800_embedded_wireless_controller
  • catalyst_9800-40_wireless_controller
  • catalyst_9800-l
  • catalyst_9800-80
  • catalyst_9800
CWE
CWE-415

Double Free