Resource exhaustion in Cisco Catalyst 3650-12x48fd-E
CVE-2023-20033
A vulnerability in Cisco IOS XE Software for Cisco Catalyst 3650 and Catalyst 3850 Series Switches could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to improper resource management when processing traffic that is received on the management interface. An attacker could exploit this vulnerability by sending a high rate of traffic to the management interface. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
EPSS: 0.007 (49.7th 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
Weakness classification (CWE)
References
- psirt@cisco.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-20033?
- CVE-2023-20033 is a high-severity vulnerability in Cisco Catalyst 3650-12x48fd-E, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 8.6/10. Published 2023-09-27.
- How severe is CVE-2023-20033?
- High severity. CVSS v3 base score is 8.6 out of 10.