{"id":"CVE-2021-1510","aliases":["EUVD-2021-6977","GHSA-fhmq-3hvh-w6rm"],"status":"published","title":"Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities","description":"Multiple vulnerabilities in Cisco SD-WAN vEdge Software could allow an attacker to execute arbitrary code as the root user or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0122,"percentile":0.69055,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2021-05-06T12:42:02Z","modified":"2026-06-17T03:31:56Z","products":[{"vendor":"cisco","product":"cisco sd-wan vedge router"},{"vendor":"cisco","product":"vedge_1000_firmware"},{"vendor":"cisco","product":"vedge_100_firmware"},{"vendor":"cisco","product":"vedge_100b_firmware"},{"vendor":"cisco","product":"vedge_100m_firmware"},{"vendor":"cisco","product":"vedge_100wm_firmware"},{"vendor":"cisco","product":"vedge_2000_firmware"},{"vendor":"cisco","product":"vedge_5000_firmware"},{"vendor":"cisco","product":"vedge_cloud_firmware"}],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-buffover-MWGucjtO","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-1510"},{"url":"https://github.com/advisories/GHSA-fhmq-3hvh-w6rm"}],"sources":{"cve":[{"id":"CVE-2021-1510","title":"Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities","description":"Multiple vulnerabilities in Cisco SD-WAN vEdge Software could allow an attacker to execute arbitrary code as the root user or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.","status":"published","published":"2021-05-06T12:42:02.917Z","modified":"2024-11-08T23:19:11.003Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:33:08.409321Z"}],"euvd":[{"id":"EUVD-2021-6977","description":"Multiple vulnerabilities in Cisco SD-WAN vEdge Software could allow an attacker to execute arbitrary code as the root user or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.","status":"published","published":"2021-05-06T12:42:02Z","modified":"2024-11-08T23:19:11Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:05:05.926487Z"}],"ghsa":[{"id":"GHSA-fhmq-3hvh-w6rm","title":"Multiple vulnerabilities in Cisco SD-WAN vEdge Software could allow an attacker to execute...","description":"Multiple vulnerabilities in Cisco SD-WAN vEdge Software could allow an attacker to execute arbitrary code as the root user or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.","status":"published","published":"2022-05-24T19:01:34Z","modified":"2023-02-23T05:07:11Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:54:13.537745Z"}],"nvd":[{"id":"CVE-2021-1510","description":"Multiple vulnerabilities in Cisco SD-WAN vEdge Software could allow an attacker to execute arbitrary code as the root user or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.","status":"published","published":"2021-05-06T13:15:10.753Z","modified":"2026-06-17T03:31:56.97Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:06:52.81233Z"}]}}