SB2022092836 - Denial of service when handling UDP packets in Cisco Embedded Wireless Controller on Catalyst 9100 Access Points



SB2022092836 - Denial of service when handling UDP packets in Cisco Embedded Wireless Controller on Catalyst 9100 Access Points

Published: September 28, 2022

Security Bulletin ID SB2022092836
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Resource management error (CVE-ID: CVE-2022-20848)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources when processing UDP datagrams. A remote attacker can send specially crafted UDP packets to the affected device and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.