Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2020-3428


A vulnerability in the WLAN Local Profiling feature of Cisco IOS XE Wireless Controller Software for the Cisco Catalyst 9000 Family could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to incorrect parsing of HTTP packets while performing HTTP-based endpoint device classifications. An attacker could exploit this vulnerability by sending a crafted HTTP packet to an affected device. A successful exploit could cause an affected device to reboot, resulting in a DoS condition.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.5, indicating it requires adjacent network access with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 74 products from cisco, from cisco, from cisco and 71 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2020-09-24T18:15:19.387

Last Modified

2024-11-21T05:31:03.023

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

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

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

6.5

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 - Yes
Hardware cisco 1100_integrated_services_router - No
Hardware cisco 1101_integrated_services_router - No
Hardware cisco 1109_integrated_services_router - No
Hardware cisco 1111x_integrated_services_router - No
Hardware cisco 111x_integrated_services_router - No
Hardware cisco 1120_integrated_services_router - No
Hardware cisco 1160_integrated_services_router - No
Hardware cisco 4221_integrated_services_router - No
Hardware cisco 4321_integrated_services_router - No
Hardware cisco 4331_integrated_services_router - No
Hardware cisco 4351_integrated_services_router - No
Hardware cisco 4431_integrated_services_router - No
Hardware cisco 4451-x_integrated_services_router - No
Hardware cisco 4461_integrated_services_router - No
Hardware cisco asr_1001-hx - No
Hardware cisco asr_1001-x - No
Hardware cisco asr_1002-hx - No
Hardware cisco asr_1002-x - No
Hardware cisco asr_1004 - No
Hardware cisco asr_1006 - No
Hardware cisco asr_1006-x - No
Hardware cisco asr_1009-x - No
Hardware cisco asr_1013 - No
Hardware cisco catalyst_9800-40 - No
Hardware cisco catalyst_9800-80 - No
Hardware cisco catalyst_9800-cl - No
Hardware cisco catalyst_9800-l - No
Hardware cisco catalyst_9800-l-c - No
Hardware cisco catalyst_9800-l-f - No
Hardware cisco catalyst_c9200-24p - No
Hardware cisco catalyst_c9200-24t - No
Hardware cisco catalyst_c9200-48p - No
Hardware cisco catalyst_c9200-48t - No
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_c9300-24p - No
Hardware cisco catalyst_c9300-24s - No
Hardware cisco catalyst_c9300-24t - No
Hardware cisco catalyst_c9300-24u - No
Hardware cisco catalyst_c9300-24ux - No
Hardware cisco catalyst_c9300-48p - No
Hardware cisco catalyst_c9300-48s - No
Hardware cisco catalyst_c9300-48t - No
Hardware cisco catalyst_c9300-48u - No
Hardware cisco catalyst_c9300-48un - No
Hardware cisco catalyst_c9300-48uxm - No
Hardware cisco catalyst_c9300l-24p-4g - No
Hardware cisco catalyst_c9300l-24p-4x - No
Hardware cisco catalyst_c9300l-24t-4g - No
Hardware cisco catalyst_c9300l-24t-4x - No
Hardware cisco catalyst_c9300l-48p-4g - No
Hardware cisco catalyst_c9300l-48p-4x - No
Hardware cisco catalyst_c9300l-48t-4g - No
Hardware cisco catalyst_c9300l-48t-4x - No
Hardware cisco catalyst_c9404r - No
Hardware cisco catalyst_c9407r - No
Hardware cisco catalyst_c9410r - No
Hardware cisco catalyst_c9500-12q - No
Hardware cisco catalyst_c9500-16x - No
Hardware cisco catalyst_c9500-24q - No
Hardware cisco catalyst_c9500-24y4c - No
Hardware cisco catalyst_c9500-32c - No
Hardware cisco catalyst_c9500-32qc - No
Hardware cisco catalyst_c9500-40x - No
Hardware cisco catalyst_c9500-48y4c - No
Hardware cisco catalyst_c9600_switch - No
Hardware cisco cloud_services_router_1000v - No
Hardware cisco integrated_services_virtual_router - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.