Vulnerability Monitor

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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.

Published

2020-09-24T18:15:21.807

Last Modified

2024-11-21T05:31:15.313

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.6 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

10.0

Impact Score

6.9

Weaknesses
  • Type: Secondary
    CWE-20
  • Type: Primary
    CWE-400
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios_xe < 16.9.5 Yes
Operating System cisco ios_xe < 16.12.3 Yes
Hardware cisco catalyst_c9200l-24p-4g - No
Hardware cisco catalyst_c9200l-24p-4x - No
Hardware cisco catalyst_c9200l-24pxg-2y - No
Hardware cisco catalyst_c9200l-24pxg-4x - No
Hardware cisco catalyst_c9200l-24t-4g - No
Hardware cisco catalyst_c9200l-24t-4x - No
Hardware cisco catalyst_c9200l-48p-4g - No
Hardware cisco catalyst_c9200l-48p-4x - No
Hardware cisco catalyst_c9200l-48pxg-2y - No
Hardware cisco catalyst_c9200l-48pxg-4x - No
Hardware cisco catalyst_c9200l-48t-4g - No
Hardware cisco catalyst_c9200l-48t-4x - No
References