A vulnerability in one of the diagnostic test CLI commands of Cisco IOS XE Software could allow an authenticated, local attacker to execute arbitrary code on an affected device. To exploit this vulnerability, the attacker would need to have valid user credentials at privilege level 15. This vulnerability exists because the affected software permits modification of the run-time memory of an affected device under specific circumstances. An attacker could exploit this vulnerability by authenticating to the affected device and issuing a specific diagnostic test command at the CLI. A successful exploit could trigger a logic error in the code that was designed to restrict run-time memory modifications. The attacker could take advantage of this logic error to overwrite system memory locations and execute arbitrary code on the underlying Linux operating system (OS) of the affected device.
This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.1, requiring local system access to exploit with relatively low complexity without requiring user interaction . The vulnerability impacts limited data confidentiality, integrity (unauthorized modifications), for affected systems. Impacting 1 product from cisco organizations running these solutions should prioritize assessment and patching.
Reported in 2021, 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.
2021-03-24T20:15:13.917
2024-11-21T05:44:14.663
Modified
CVSSv3.1: 5.1 (MEDIUM)
AV:L/AC:L/Au:N/C:C/I:C/A:C
3.9
10.0
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | cisco | ios_xe | 16.8.1 | Yes |
| Operating System | cisco | ios_xe | 16.8.1a | Yes |
| Operating System | cisco | ios_xe | 16.8.1b | Yes |
| Operating System | cisco | ios_xe | 16.8.1c | Yes |
| Operating System | cisco | ios_xe | 16.8.1d | Yes |
| Operating System | cisco | ios_xe | 16.8.1e | Yes |
| Operating System | cisco | ios_xe | 16.8.1s | Yes |
| Operating System | cisco | ios_xe | 16.8.2 | Yes |
| Operating System | cisco | ios_xe | 16.8.3 | Yes |
| Operating System | cisco | ios_xe | 16.9.1 | Yes |
| Operating System | cisco | ios_xe | 16.9.1a | Yes |
| Operating System | cisco | ios_xe | 16.9.1b | Yes |
| Operating System | cisco | ios_xe | 16.9.1c | Yes |
| Operating System | cisco | ios_xe | 16.9.1d | Yes |
| Operating System | cisco | ios_xe | 16.9.1s | Yes |
| 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 | 16.9.4c | Yes |
| Operating System | cisco | ios_xe | 16.9.5 | Yes |
| Operating System | cisco | ios_xe | 16.9.5f | Yes |
| Operating System | cisco | ios_xe | 16.9.6 | Yes |
| Operating System | cisco | ios_xe | 16.10.1 | Yes |
| Operating System | cisco | ios_xe | 16.10.1a | Yes |
| Operating System | cisco | ios_xe | 16.10.1b | Yes |
| Operating System | cisco | ios_xe | 16.10.1c | Yes |
| Operating System | cisco | ios_xe | 16.10.1d | Yes |
| Operating System | cisco | ios_xe | 16.10.1e | Yes |
| Operating System | cisco | ios_xe | 16.10.1f | Yes |
| Operating System | cisco | ios_xe | 16.10.1g | Yes |
| Operating System | cisco | ios_xe | 16.10.1s | Yes |
| Operating System | cisco | ios_xe | 16.10.2 | Yes |
| Operating System | cisco | ios_xe | 16.10.3 | 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 | 16.11.2 | Yes |
| Operating System | cisco | ios_xe | 16.12.1 | Yes |
| Operating System | cisco | ios_xe | 16.12.1a | Yes |
| Operating System | cisco | ios_xe | 16.12.1c | Yes |
| Operating System | cisco | ios_xe | 16.12.1s | Yes |
| Operating System | cisco | ios_xe | 16.12.1t | Yes |
| Operating System | cisco | ios_xe | 16.12.1w | Yes |
| Operating System | cisco | ios_xe | 16.12.1x | Yes |
| Operating System | cisco | ios_xe | 16.12.1y | Yes |
| Operating System | cisco | ios_xe | 16.12.1z | Yes |
| Operating System | cisco | ios_xe | 16.12.1za | Yes |
| Operating System | cisco | ios_xe | 16.12.2 | Yes |
| Operating System | cisco | ios_xe | 16.12.2a | Yes |
| Operating System | cisco | ios_xe | 16.12.2s | Yes |
| Operating System | cisco | ios_xe | 16.12.2t | Yes |
| Operating System | cisco | ios_xe | 16.12.3 | Yes |
| Operating System | cisco | ios_xe | 16.12.3a | Yes |
| Operating System | cisco | ios_xe | 16.12.3s | Yes |
| Operating System | cisco | ios_xe | 16.12.4 | Yes |
| Operating System | cisco | ios_xe | 16.12.4a | Yes |
| Operating System | cisco | ios_xe | 17.1.1 | Yes |
| Operating System | cisco | ios_xe | 17.1.1a | Yes |
| Operating System | cisco | ios_xe | 17.1.1s | Yes |
| Operating System | cisco | ios_xe | 17.1.1t | Yes |
| Operating System | cisco | ios_xe | 17.1.2 | Yes |
| Operating System | cisco | ios_xe | 17.2.1 | Yes |
| Operating System | cisco | ios_xe | 17.2.1a | Yes |
| Operating System | cisco | ios_xe | 17.2.1r | Yes |
| Operating System | cisco | ios_xe | 17.2.1v | Yes |
| Operating System | cisco | ios_xe | 17.2.2 | Yes |
| Operating System | cisco | ios_xe | 17.2.3 | Yes |
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.