What is CVE-2021-34769?

CVE-2021-34769 is a high-severity vulnerability in Cisco Catalyst_9800, classified under Double Free. CVSS score: 8.6/10. Published 2021-09-23.

How severe is CVE-2021-34769?

High severity. CVSS v3 base score is 8.6 out of 10.

Double Free in Cisco Catalyst_9800

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…

Vulnerability class: Double Free

EPSS: 0.013 (67.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Catalyst_9800
Cisco Catalyst_9800-40
Cisco Catalyst_9800-40_wireless_controller
Cisco Catalyst_9800-80
Cisco Catalyst_9800-80_wireless_controller
Cisco Catalyst_9800-cl
Cisco Catalyst_9800_embedded_wireless_controller
Cisco Catalyst_9800-l
Cisco Catalyst_9800-l-c
Cisco Catalyst_9800-l-f

Weakness classification (CWE)

CWE-415 — Double Free

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2021-34769?: CVE-2021-34769 is a high-severity vulnerability in Cisco Catalyst_9800, classified under Double Free. CVSS score: 8.6/10. Published 2021-09-23.
How severe is CVE-2021-34769?: High severity. CVSS v3 base score is 8.6 out of 10.