What is CVE-2022-20856?

CVE-2022-20856 is a high-severity vulnerability in Cisco Ios Xe Software, classified under CWE-664. CVSS score: 8.6/10. Published 2022-09-30.

How severe is CVE-2022-20856?

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

Vulnerability in Cisco Ios Xe Software

CVE-2022-20856

A vulnerability in the processing of Control and Provisioning of Wireless Access Points (CAPWAP) Mobility messages in Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family could allow an unauthenticated, remote attacker to…

EPSS: 0.009 (76.8th 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 Ios Xe Software — versions n/a

Weakness classification (CWE)

CWE-664

References

20220928 Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Mobility Denial of Service Vulnerability (vendor-advisory, x_refsource_CISCO)

Frequently asked questions

What is CVE-2022-20856?: CVE-2022-20856 is a high-severity vulnerability in Cisco Ios Xe Software, classified under CWE-664. CVSS score: 8.6/10. Published 2022-09-30.
How severe is CVE-2022-20856?: High severity. CVSS v3 base score is 8.6 out of 10.