CVE-2023-20033 — HIGH (8.6)

Vulnerability Description

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.

CVSS Score

8.6

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cisco	Ios Xe	16.3.1
Cisco	Catalyst 3650-12X48Fd-E	-
Cisco	Catalyst 3650-12X48Fd-L	-
Cisco	Catalyst 3650-12X48Fd-S	-
Cisco	Catalyst 3650-12X48Uq	-
Cisco	Catalyst 3650-12X48Uq-E	-
Cisco	Catalyst 3650-12X48Uq-L	-
Cisco	Catalyst 3650-12X48Uq-S	-
Cisco	Catalyst 3650-12X48Ur	-
Cisco	Catalyst 3650-12X48Ur-E	-
Cisco	Catalyst 3650-12X48Ur-L	-
Cisco	Catalyst 3650-12X48Ur-S	-
Cisco	Catalyst 3650-12X48Uz	-
Cisco	Catalyst 3650-12X48Uz-E	-
Cisco	Catalyst 3650-12X48Uz-L	-
Cisco	Catalyst 3650-12X48Uz-S	-
Cisco	Catalyst 3650-24Pd	-
Cisco	Catalyst 3650-24Pd-E	-
Cisco	Catalyst 3650-24Pd-L	-
Cisco	Catalyst 3650-24Pd-S	-

Related Weaknesses (CWE)

CWE-770

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/ciVendor Advisory
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/ciVendor Advisory

FAQ

What is CVE-2023-20033?

CVE-2023-20033 is a vulnerability with a CVSS score of 8.6 (HIGH). 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, r...

How severe is CVE-2023-20033?

CVE-2023-20033 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-20033?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios Xe, Cisco Catalyst 3650-12X48Fd-E, Cisco Catalyst 3650-12X48Fd-L, Cisco Catalyst 3650-12X48Fd-S, Cisco Catalyst 3650-12X48Uq.