Vulnerability Monitor

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CVE-2020-3264


A vulnerability in Cisco SD-WAN Solution software could allow an authenticated, local attacker to cause a buffer overflow on an affected device. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to gain access to information that they are not authorized to access and make changes to the system that they are not authorized to make.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.1, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), for affected systems. Impacting 15 products from cisco, from cisco, from cisco and 12 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

2020-03-19T16:15:15.487

Last Modified

2024-11-21T05:30:41.157

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.1 (HIGH)

CVSSv2 Vector

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

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

3.9

Impact Score

9.2

Weaknesses
  • Type: Secondary
    CWE-119
  • Type: Primary
    CWE-120

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco sd-wan_firmware < 18.4.5 Yes
Operating System cisco sd-wan_firmware < 19.2.2 Yes
Operating System cisco sd-wan_firmware 20.1.0 Yes
Operating System cisco sd-wan_firmware 20.3.0 Yes
Application cisco vedge_cloud_router - No
Application cisco vmanage_network_management_system - No
Application cisco vsmart_controller - No
Hardware cisco 1100-4g_integrated_services_router - No
Hardware cisco 1100-4gltegb_integrated_services_router - No
Hardware cisco 1100-4gltena_integrated_services_router - No
Hardware cisco 1100-6g_integrated_services_router - No
Hardware cisco vedge_100 - No
Hardware cisco vedge_1000 - No
Hardware cisco vedge_100b - No
Hardware cisco vedge_100m - No
Hardware cisco vedge_100wm - No
Hardware cisco vedge_2000 - No
Hardware cisco vedge_5000 - 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.