A vulnerability in CLI management in Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to access the underlying operating system as the root user. This vulnerability is due to the way the software handles concurrent CLI sessions. An attacker could exploit this vulnerability by authenticating to the device as an administrative user and executing a sequence of commands. A successful exploit could allow the attacker to obtain access to the underlying operating system as the root user.
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.
2021-03-24T21:15:11.443
2024-11-21T05:43:59.830
Modified
CVSSv3.1: 5.1 (MEDIUM)
AV:L/AC:M/Au:N/C:C/I:C/A:C
3.4
10.0
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | cisco | ios_xe | 16.9.1 | Yes |
| Operating System | cisco | ios_xe | 16.9.2 | Yes |
| Operating System | cisco | ios_xe | 16.9.3 | Yes |
| Operating System | cisco | ios_xe | 16.9.4 | Yes |
| Operating System | cisco | ios_xe | 16.10.1 | Yes |
| Operating System | cisco | ios_xe | 16.10.1a | 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 | 17.1.3 | 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 | 17.3.1 | Yes |
| Operating System | cisco | ios_xe | 17.3.1a | Yes |
| Operating System | cisco | ios_xe | 17.3.1w | Yes |
| Operating System | cisco | ios_xe | 17.3.2 | Yes |
| Operating System | cisco | ios_xe | 17.3.2a | Yes |
| Operating System | cisco | ios_xe | 17.4.1 | Yes |
| Operating System | cisco | ios_xe | 17.4.1a | Yes |
| Operating System | cisco | ios_xe | 17.4.1b | 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.