High severity7.8NVD Advisory· Published May 6, 2021· Updated Jun 17, 2026
CVE-2021-1514
CVE-2021-1514
Description
A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to inject arbitrary commands to be executed with Administrator privileges on the underlying operating system. This vulnerability is due to insufficient input validation on certain CLI commands. An attacker could exploit this vulnerability by authenticating to the device and submitting crafted input to the CLI. The attacker must be authenticated as a low-privileged user to execute the affected commands. A successful exploit could allow the attacker to execute commands with Administrator privileges.
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Affected products
15- cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*Range: >=20.1,<20.1.1
- cpe:2.3:a:cisco:sd-wan_vbond_orchestrator:*:*:*:*:*:*:*:*Range: <18.3
cpe:2.3:o:cisco:vedge-100b_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:cisco:vedge-100b_firmware:*:*:*:*:*:*:*:*range: <18.3
- cpe:2.3:o:cisco:vedge_100b_firmware:*:*:*:*:*:*:*:*range: <18.3
- cpe:2.3:o:cisco:vedge_1000_firmware:*:*:*:*:*:*:*:*Range: <18.3
- cpe:2.3:o:cisco:vedge_100_firmware:*:*:*:*:*:*:*:*Range: <18.3
- cpe:2.3:o:cisco:vedge_100m_firmware:*:*:*:*:*:*:*:*Range: <18.3
- cpe:2.3:o:cisco:vedge_100wm_firmware:*:*:*:*:*:*:*:*Range: <18.3
- cpe:2.3:o:cisco:vedge_2000_firmware:*:*:*:*:*:*:*:*Range: <18.3
- cpe:2.3:o:cisco:vedge_5000_firmware:*:*:*:*:*:*:*:*Range: <18.3
- cpe:2.3:o:cisco:vedge_cloud_firmware:*:*:*:*:*:*:*:*Range: <18.3
- cpe:2.3:o:cisco:vsmart_controller_firmware:*:*:*:*:*:*:*:*Range: <18.3
- Range: n/a
Patches
Vulnerability mechanics
References
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