Vulnerability Monitor

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CVE-2020-3207


A vulnerability in the processing of boot options of specific Cisco IOS XE Software switches could allow an authenticated, local attacker with root shell access to the underlying operating system (OS) to conduct a command injection attack during device boot. This vulnerability is due to insufficient input validation checks while processing boot options. An attacker could exploit this vulnerability by modifying device boot options to execute attacker-provided code. A successful exploit may allow an attacker to bypass the Secure Boot process and execute malicious code on an affected device with root-level privileges.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.7, requiring local system access to exploit with relatively low complexity without requiring user interaction . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 56 products from cisco, from cisco, from cisco and 53 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

2020-06-03T18:15:18.747

Last Modified

2024-11-21T05:30:33.603

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.7 (MEDIUM)

CVSSv2 Vector

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

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

3.9

Impact Score

10.0

Weaknesses
  • Type: Secondary
    CWE-77
  • Type: Primary
    CWE-78

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios_xe 16.9.2 Yes
Operating System cisco ios_xe 16.9.2a Yes
Operating System cisco ios_xe 16.9.2s Yes
Operating System cisco ios_xe 16.9.3 Yes
Operating System cisco ios_xe 16.9.3a Yes
Operating System cisco ios_xe 16.9.3h Yes
Operating System cisco ios_xe 16.9.3s Yes
Operating System cisco ios_xe 16.9.4 Yes
Operating System cisco ios_xe 16.10.1 Yes
Operating System cisco ios_xe 16.10.1e Yes
Operating System cisco ios_xe 16.10.1s Yes
Operating System cisco ios_xe 16.11.1 Yes
Operating System cisco ios_xe 16.11.1a Yes
Operating System cisco ios_xe 16.11.1b Yes
Operating System cisco ios_xe 16.11.1c Yes
Operating System cisco ios_xe 16.11.1s Yes
Operating System cisco ios_xe 16.12.1 Yes
Operating System cisco ios_xe 16.12.1c Yes
Operating System cisco ios_xe 16.12.1s Yes
Hardware cisco catalyst_3650-12x48uq - No
Hardware cisco catalyst_3650-12x48ur - No
Hardware cisco catalyst_3650-12x48uz - No
Hardware cisco catalyst_3650-24pd - No
Hardware cisco catalyst_3650-24pdm - No
Hardware cisco catalyst_3650-48fq - No
Hardware cisco catalyst_3650-48fqm - No
Hardware cisco catalyst_3650-8x24uq - No
Hardware cisco catalyst_3850-24xs - No
Hardware cisco catalyst_3850-48xs - No
Hardware cisco catalyst_3850-nm-2-40g - No
Hardware cisco catalyst_3850-nm-8-10g - 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_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
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_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

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.