{"cve":"CVE-2021-1528","nvd":{"published":"2021-06-04T17:15:09.020","modified":"2026-06-17T03:31:59.353","status":"Modified","description":"A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to gain elevated privileges on an affected system. This vulnerability exists because the affected software does not properly restrict access to privileged processes. An attacker could exploit this vulnerability by invoking a privileged process in the affected system. A successful exploit could allow the attacker to perform actions with the privileges of the root user.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-250"],"references":["https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-fuErCWwF","https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-fuErCWwF"],"products":["cisco:catalyst_sd-wan_manager","cisco:sd-wan_vbond_orchestrator","cisco:vedge_1000_firmware","cisco:vedge_100_firmware","cisco:vedge_100b_firmware","cisco:vedge_100m_firmware","cisco:vedge_100wm_firmware","cisco:vedge_2000_firmware","cisco:vedge_5000_firmware","cisco:vedge_cloud_firmware","cisco:vsmart_controller"],"source":"nvd","synced_at":"2026-10-19T21:18:09.669877188+00:00"},"epss":{"cve":"CVE-2021-1528","score":0.00248,"percentile":0.16158,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}