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CVE-2021-1615

nvd nist
Published: Sep 23, 2021Modified: Jun 17, 2026

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8.6
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 4.0
Source: NVD

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.

Affected (1)

1 product
Embedded Wireless Controller
Configuration A
1 vulnerable · 6 platform
Vulnerable SoftwareAffected Versions
Up to 17.6.1
Running on/withPlatform Versions
Cisco
Catalyst 9105
All versions
Cisco
Catalyst 9115
All versions
Cisco
Catalyst 9117
All versions
Cisco
Catalyst 9120
All versions
Cisco
Catalyst 9124
All versions
Cisco
Catalyst 9130
All versions

Timeline

No history available yet.