CVE-2020-3527

Cisco Catalyst 9200 Series Switches Jumbo Frame Denial of Service Vulnerability

State: Published
Severity: 8.6 High
Published: Sep 24, 2020
Updated: Nov 13, 2024
Reserved: Dec 12, 2019

Description

A vulnerability in the Polaris kernel of Cisco Catalyst 9200 Series Switches could allow an unauthenticated, remote attacker to crash the device. The vulnerability is due to insufficient packet size validation. An attacker could exploit this vulnerability by sending jumbo frames or frames larger than the configured MTU size to the management interface of this device. A successful exploit could allow the attacker to crash the device fully before an automatic recovery.

Scores

CVSS	Score	Vector	Source
3.0	8.6 High	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H	cisco

Weaknesses

CWE-20

Affected Products

Product	Versions
Cisco IOS XE SoftwareCisco	n/aAffected

References

20200924 Cisco Catalyst 9200 Series Switches Jumbo Frame Denial of Service Vulnerabilityvendor-advisory

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