{"id":"CVE-2020-26071","aliases":["EUVD-2020-18701","GHSA-ww45-hmjq-p5q2"],"status":"published","title":"Cisco SD-WAN vEdge Arbitrary File Creation Vulnerability","description":"A vulnerability in the CLI of Cisco\u0026nbsp;SD-WAN Software could allow an authenticated, local attacker to create or overwrite arbitrary files on an affected device, which could result in a denial of service (DoS) condition.\r\nThe vulnerability is due to insufficient input validation for specific commands. An attacker could exploit this vulnerability by including crafted arguments to those specific commands. A successful exploit could allow the attacker to create or overwrite arbitrary files on the affected device, which could result in a DoS condition.Cisco\u0026nbsp;has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.","severity":{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H/RL:X/RC:X/E:X","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00192,"percentile":0.08894,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2024-11-18T16:05:35Z","modified":"2026-06-17T03:07:32Z","products":[{"vendor":"cisco","product":"catalyst_sd-wan_manager"},{"vendor":"cisco","product":"cisco catalyst sd-wan manager"},{"vendor":"cisco","product":"cisco sd-wan vcontainer"},{"vendor":"cisco","product":"cisco sd-wan vedge cloud"},{"vendor":"cisco","product":"cisco sd-wan vedge router"}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vsoln-arbfile-gtsEYxns","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-26071"},{"url":"https://github.com/advisories/GHSA-ww45-hmjq-p5q2"}],"sources":{"cve":[{"id":"CVE-2020-26071","title":"Cisco SD-WAN vEdge Arbitrary File Creation Vulnerability","description":"A vulnerability in the CLI of Cisco\u0026nbsp;SD-WAN Software could allow an authenticated, local attacker to create or overwrite arbitrary files on an affected device, which could result in a denial of service (DoS) condition.\r\nThe vulnerability is due to insufficient input validation for specific commands. An attacker could exploit this vulnerability by including crafted arguments to those specific commands. A successful exploit could allow the attacker to create or overwrite arbitrary files on the affected device, which could result in a DoS condition.Cisco\u0026nbsp;has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.","status":"published","published":"2024-11-18T16:05:35.221Z","modified":"2024-11-18T16:23:51.429Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H/RL:X/RC:X/E:X","level":"high","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:35:46.129376Z"}],"euvd":[{"id":"EUVD-2020-18701","description":"A vulnerability in the CLI of Cisco\u0026nbsp;SD-WAN Software could allow an authenticated, local attacker to create or overwrite arbitrary files on an affected device, which could result in a denial of service (DoS) condition.\r\nThe vulnerability is due to insufficient input validation for specific commands. An attacker could exploit this vulnerability by including crafted arguments to those specific commands. A successful exploit could allow the attacker to create or overwrite arbitrary files on the affected device, which could result in a DoS condition.Cisco\u0026nbsp;has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.","status":"published","published":"2024-11-18T16:05:35Z","modified":"2024-11-18T16:23:51Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H/RL:X/RC:X/E:X","level":"high"}],"updated_at":"2026-11-03T00:04:57.054288Z"}],"ghsa":[{"id":"GHSA-ww45-hmjq-p5q2","title":"A vulnerability in the CLI of Cisco\u0026nbsp;SD-WAN Software could allow an authenticated, local...","description":"A vulnerability in the CLI of Cisco\u0026nbsp;SD-WAN Software could allow an authenticated, local attacker to create or overwrite arbitrary files on an affected device, which could result in a denial of service (DoS) condition.\nThe vulnerability is due to insufficient input validation for specific commands. An attacker could exploit this vulnerability by including crafted arguments to those specific commands. A successful exploit could allow the attacker to create or overwrite arbitrary files on the affected device, which could result in a DoS condition.Cisco\u0026nbsp;has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.","status":"published","published":"2024-11-18T18:30:55Z","modified":"2024-11-18T18:31:05Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:58:52.476096Z"}],"nvd":[{"id":"CVE-2020-26071","description":"A vulnerability in the CLI of Cisco\u0026nbsp;SD-WAN Software could allow an authenticated, local attacker to create or overwrite arbitrary files on an affected device, which could result in a denial of service (DoS) condition.\r\nThe vulnerability is due to insufficient input validation for specific commands. An attacker could exploit this vulnerability by including crafted arguments to those specific commands. A successful exploit could allow the attacker to create or overwrite arbitrary files on the affected device, which could result in a DoS condition.Cisco\u0026nbsp;has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.","status":"published","published":"2024-11-18T16:15:05.71Z","modified":"2026-06-17T03:07:32.96Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:06:48.591569Z"}]}}