What is CVE-2021-1611?

CVE-2021-1611 is a high-severity vulnerability in Cisco Catalyst_9800, classified under CWE-399. CVSS score: 8.6/10. Published 2021-09-23.

How severe is CVE-2021-1611?

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

Vulnerability in Cisco Catalyst_9800

CVE-2021-1611

A vulnerability in Ethernet over GRE (EoGRE) packet processing of Cisco IOS XE Wireless Controller Software for the Cisco Catalyst 9800 Family Wireless Controller, Embedded Wireless Controller, and Embedded Wireless on Catalyst 9000 Series…

EPSS: 0.013 (66.4th 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_9800-80
Cisco Catalyst_9800-cl
Cisco Catalyst_9800-l
Cisco Catalyst_9800-l-c
Cisco Catalyst_9800-l-f
Cisco Ios Xe Software — versions n/a
Cisco Ios_xe

Weakness classification (CWE)

CWE-399

References

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

Frequently asked questions

What is CVE-2021-1611?: CVE-2021-1611 is a high-severity vulnerability in Cisco Catalyst_9800, classified under CWE-399. CVSS score: 8.6/10. Published 2021-09-23.
How severe is CVE-2021-1611?: High severity. CVSS v3 base score is 8.6 out of 10.