CVE-2021-1615

HIGH

Cisco Embedded Wireless Controller < 17.6.1 - Unauthenticated Denial of Service via Crafted Traffic

Title source: llm
STIX 2.1

Description

A vulnerability in the packet processing functionality of Cisco Embedded Wireless Controller (EWC) Software for Catalyst Access Points (APs) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected AP. This vulnerability is due to insufficient buffer allocation. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to exhaust available resources and cause a DoS condition on an affected AP, as well as a DoS condition for client traffic traversing the AP.

References (1)

Core 1
Core References

Scores

CVSS v3 8.6
EPSS 0.0044
EPSS Percentile 63.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-410
Status published
Products (1)
cisco/embedded_wireless_controller < 17.6.1
Published Sep 23, 2021
Tracked Since Feb 18, 2026