What is CVE-2020-3527?

CVE-2020-3527 is a high-severity vulnerability in Cisco Catalyst C9200l-24p-4g, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2020-09-24.

How severe is CVE-2020-3527?

High severity. CVSS v3 base score is 8.6 out of 10.

Resource exhaustion in Cisco Catalyst C9200l-24p-4g

CVE-2020-3527

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.014 (70.1th 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 (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2020-3527?: CVE-2020-3527 is a high-severity vulnerability in Cisco Catalyst C9200l-24p-4g, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2020-09-24.
How severe is CVE-2020-3527?: High severity. CVSS v3 base score is 8.6 out of 10.