Main Vulnerability Database Vulnerabilities #VU81257

Resource management error in Cisco Systems, Inc products - CVE-2023-20033

Published: September 28, 2023

Vulnerability identifier: #VU81257

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-20033

CWE-ID: CWE-399

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

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 traffic that is received on the management interface. A remote attacker can send specially crafted data to the device and perform a denial of service (DoS) attack.

Affected software

Catalyst 3650 Series Switches
Catalyst 3850 Series Switches
Cisco IOS XE

How to mitigate CVE-2023-20033

Install updates from vendor's website.

Cisco IOS XE - update to 16.12.10

External References

Related Security Bulletins