An OS Command Injection vulnerability in the CLI processing of Juniper Networks Junos OS and Junos OS Evolved allows a local, high-privileged attacker executing specific, crafted CLI commands to inject arbitrary shell commands as root, leading to a complete compromise of the system. Certain 'set system' commands, when executed with crafted arguments, are not properly sanitized, allowing for arbitrary shell injection. These shell commands are executed as root, potentially allowing for complete control of the vulnerable system. This issue affects: Junos OS: * all versions before 22.4R3-S8, * from 23.2 before 23.2R2-S5, * from 23.4 before 23.4R2-S7, * from 24.2 before 24.2R2-S2, * from 24.4 before 24.4R2, * from 25.2 before 25.2R2; Junos OS Evolved: * all versions before 22.4R3-S8-EVO, * from 23.2 before 23.2R2-S5-EVO, * from 23.4 before 23.4R2-S7-EVO, * from 24.2 before 24.2R2-S2-EVO, * from 24.4 before 24.4R2-EVO, * from 25.2 before 25.2R1-S1-EVO, 25.2R2-EVO.
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 2 products from juniper, from juniper organizations running these solutions should prioritize assessment and patching.
Reported in 2026, 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.
2026-04-09T22:16:29.047
2026-04-22T15:16:14.387
Modified
CVSSv3.1: 6.7 (MEDIUM)
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | juniper | junos | < 22.4 | Yes |
| Operating System | juniper | junos | 22.4 | Yes |
| Operating System | juniper | junos | 22.4 | Yes |
| Operating System | juniper | junos | 22.4 | Yes |
| Operating System | juniper | junos | 22.4 | Yes |
| Operating System | juniper | junos | 22.4 | Yes |
| Operating System | juniper | junos | 22.4 | Yes |
| Operating System | juniper | junos | 22.4 | Yes |
| Operating System | juniper | junos | 22.4 | Yes |
| Operating System | juniper | junos | 22.4 | Yes |
| Operating System | juniper | junos | 22.4 | Yes |
| Operating System | juniper | junos | 22.4 | Yes |
| Operating System | juniper | junos | 22.4 | Yes |
| Operating System | juniper | junos | 22.4 | Yes |
| Operating System | juniper | junos | 22.4 | Yes |
| Operating System | juniper | junos | 22.4 | Yes |
| Operating System | juniper | junos | 23.2 | Yes |
| Operating System | juniper | junos | 23.2 | Yes |
| Operating System | juniper | junos | 23.2 | Yes |
| Operating System | juniper | junos | 23.2 | Yes |
| Operating System | juniper | junos | 23.2 | Yes |
| Operating System | juniper | junos | 23.2 | Yes |
| Operating System | juniper | junos | 23.2 | Yes |
| Operating System | juniper | junos | 23.2 | Yes |
| Operating System | juniper | junos | 23.2 | Yes |
| Operating System | juniper | junos | 23.4 | Yes |
| Operating System | juniper | junos | 23.4 | Yes |
| Operating System | juniper | junos | 23.4 | Yes |
| Operating System | juniper | junos | 23.4 | Yes |
| Operating System | juniper | junos | 23.4 | Yes |
| Operating System | juniper | junos | 23.4 | Yes |
| Operating System | juniper | junos | 23.4 | Yes |
| Operating System | juniper | junos | 23.4 | Yes |
| Operating System | juniper | junos | 23.4 | Yes |
| Operating System | juniper | junos | 23.4 | Yes |
| Operating System | juniper | junos | 23.4 | Yes |
| Operating System | juniper | junos | 24.2 | Yes |
| Operating System | juniper | junos | 24.2 | Yes |
| Operating System | juniper | junos | 24.2 | Yes |
| Operating System | juniper | junos | 24.2 | Yes |
| Operating System | juniper | junos | 24.2 | Yes |
| Operating System | juniper | junos | 24.2 | Yes |
| Operating System | juniper | junos | 24.4 | Yes |
| Operating System | juniper | junos | 24.4 | Yes |
| Operating System | juniper | junos | 24.4 | Yes |
| Operating System | juniper | junos | 24.4 | Yes |
| Operating System | juniper | junos | 25.2 | Yes |
| Operating System | juniper | junos | 25.2 | Yes |
| Operating System | juniper | junos | 25.2 | Yes |
| Operating System | juniper | junos | 25.2 | Yes |
| Operating System | juniper | junos_os_evolved | < 22.4 | Yes |
| Operating System | juniper | junos_os_evolved | 22.4 | Yes |
| Operating System | juniper | junos_os_evolved | 22.4 | Yes |
| Operating System | juniper | junos_os_evolved | 22.4 | Yes |
| Operating System | juniper | junos_os_evolved | 22.4 | Yes |
| Operating System | juniper | junos_os_evolved | 22.4 | Yes |
| Operating System | juniper | junos_os_evolved | 22.4 | Yes |
| Operating System | juniper | junos_os_evolved | 22.4 | Yes |
| Operating System | juniper | junos_os_evolved | 22.4 | Yes |
| Operating System | juniper | junos_os_evolved | 22.4 | Yes |
| Operating System | juniper | junos_os_evolved | 22.4 | Yes |
| Operating System | juniper | junos_os_evolved | 22.4 | Yes |
| Operating System | juniper | junos_os_evolved | 22.4 | Yes |
| Operating System | juniper | junos_os_evolved | 22.4 | Yes |
| Operating System | juniper | junos_os_evolved | 22.4 | Yes |
| Operating System | juniper | junos_os_evolved | 22.4 | Yes |
| Operating System | juniper | junos_os_evolved | 23.2 | Yes |
| Operating System | juniper | junos_os_evolved | 23.2 | Yes |
| Operating System | juniper | junos_os_evolved | 23.2 | Yes |
| Operating System | juniper | junos_os_evolved | 23.2 | Yes |
| Operating System | juniper | junos_os_evolved | 23.2 | Yes |
| Operating System | juniper | junos_os_evolved | 23.2 | Yes |
| Operating System | juniper | junos_os_evolved | 23.2 | Yes |
| Operating System | juniper | junos_os_evolved | 23.2 | Yes |
| Operating System | juniper | junos_os_evolved | 23.2 | Yes |
| Operating System | juniper | junos_os_evolved | 23.4 | Yes |
| Operating System | juniper | junos_os_evolved | 23.4 | Yes |
| Operating System | juniper | junos_os_evolved | 23.4 | Yes |
| Operating System | juniper | junos_os_evolved | 23.4 | Yes |
| Operating System | juniper | junos_os_evolved | 23.4 | Yes |
| Operating System | juniper | junos_os_evolved | 23.4 | Yes |
| Operating System | juniper | junos_os_evolved | 23.4 | Yes |
| Operating System | juniper | junos_os_evolved | 23.4 | Yes |
| Operating System | juniper | junos_os_evolved | 23.4 | Yes |
| Operating System | juniper | junos_os_evolved | 23.4 | Yes |
| Operating System | juniper | junos_os_evolved | 23.4 | Yes |
| Operating System | juniper | junos_os_evolved | 24.2 | Yes |
| Operating System | juniper | junos_os_evolved | 24.2 | Yes |
| Operating System | juniper | junos_os_evolved | 24.2 | Yes |
| Operating System | juniper | junos_os_evolved | 24.2 | Yes |
| Operating System | juniper | junos_os_evolved | 24.2 | Yes |
| Operating System | juniper | junos_os_evolved | 24.4 | Yes |
| Operating System | juniper | junos_os_evolved | 24.4 | Yes |
| Operating System | juniper | junos_os_evolved | 24.4 | Yes |
| Operating System | juniper | junos_os_evolved | 24.4 | Yes |
| Operating System | juniper | junos_os_evolved | 25.2 | Yes |
| Operating System | juniper | junos_os_evolved | 25.2 | Yes |
| Operating System | juniper | junos_os_evolved | 25.2 | 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 juniper'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.