What is CVE-2021-1565?

CVE-2021-1565 is a high-severity vulnerability in Cisco Catalyst_9300-24p-a, classified under Double Free. CVSS score: 8.6/10. Published 2021-09-23.

How severe is CVE-2021-1565?

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

Double Free in Cisco Catalyst_9300-24p-a

CVE-2021-1565

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: 0.012 (65.5th 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_9300-24p-a
Cisco Catalyst_9300-24p-e
Cisco Catalyst_9300-24s-a
Cisco Catalyst_9300-24s-e
Cisco Catalyst_9300-24t-a
Cisco Catalyst_9300-24t-e
Cisco Catalyst_9300-24u-a
Cisco Catalyst_9300-24u-e
Cisco Catalyst_9300-24ux-a
Cisco Catalyst_9300-24ux-e

Weakness classification (CWE)

CWE-415 — Double Free

References

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

Frequently asked questions

What is CVE-2021-1565?: CVE-2021-1565 is a high-severity vulnerability in Cisco Catalyst_9300-24p-a, classified under Double Free. CVSS score: 8.6/10. Published 2021-09-23.
How severe is CVE-2021-1565?: High severity. CVSS v3 base score is 8.6 out of 10.