{"id":"CVE-2023-20035","title":"Cisco IOS XE SD-WAN Software Command Injection Vulnerability (CVE-2023-20035)","summary":"A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to execute arbitrary commands with elevated privileges.\r\n\r\nThis vulnerability is due to insufficient input validation by the system CLI…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"vendor","vendor":"Cisco","product":"Cisco IOS XE Software","affected":["1000_series_integrated_services_routers","asr_1000_series_aggregation_services_routers","4000_series_integrated_services_routers","integrated_services_virtual_router","cloud_services_router_1000v_series","catalyst_ir1100_rugged_series_routers","ios_xe_software 17.3.1","ios_xe_software 17.4.1","ios_xe_software 17.5.1","ios_xe_software 17.6.1","ios_xe_software 16.12.8","ios_xe_software 17.3.2","ios_xe_software 16.12.4","ios_xe_software 17.2.1r","ios_xe_software 17.7.1","ios_xe_software 17.2.1v","ios_xe_software 17.3.3","ios_xe_software 17.4.2","ios_xe_software 17.8.1","ios_xe_software 17.2.2","ios_xe_software 16.12.4a","ios_xe_software 17.3.1a","ios_xe_software 17.3.1w","ios_xe_software 16.12.5","ios_xe_software 17.3.2a","ios_xe_software 17.4.1a","ios_xe_software 17.3.1x","ios_xe_software 17.4.1b","ios_xe_software 16.12.6","ios_xe_software 17.2.3","ios_xe_software 17.3.1z","ios_xe_software 16.12.5a","ios_xe_software 16.12.5b","ios_xe_software 17.3.3a","ios_xe_software 17.3.4","ios_xe_software 17.5.1a","ios_xe_software 17.3.5","ios_xe_software 17.4.1c","ios_xe_software 17.6.2","ios_xe_software 17.6.1w"],"published":"2023-03-22","updated":"2023-03-22","sourceUpdated":"2023-03-22T16:00:00+00:00","source":"CSAF","sourceUrl":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xe-sdwan-VQAhEjYw","references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xe-sdwan-VQAhEjYw"},{"url":"https://software.cisco.com"}],"tags":["csaf","vendor-advisory","cisco"],"epss":0.00222,"epssPercentile":0.11395,"ingestedAt":"2026-09-25T07:41:37.792Z","slug":"CVE-2023-20035","body":"## Overview\n\nA vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to execute arbitrary commands with elevated privileges.\r\n\r\nThis vulnerability is due to insufficient input validation by the system CLI. An attacker with privileges to run commands could exploit this vulnerability by first authenticating to an affected device using either local terminal access or a management shell interface and then submitting crafted input to the system CLI. A successful exploit could allow the attacker to execute commands on the underlying operating system with root-level privileges. An attacker with limited user privileges could use this vulnerability to gain complete control over the system.\r\n\r\nNote: For additional information about specific impacts, see the Details [\"#details\"] section of this advisory.\r\n\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.\r\n\r\n\r\n\r\nThis advisory is part of the March 2023 release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2023 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication [\"https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-74842\"].\n\n## Vendor advisories\n\n- **cisco-sa-ios-xe-sdwan-VQAhEjYw** · Cisco · affected: Cisco 1000 Series Integrated Services Routers, Cisco ASR 1000 Series Aggregation Services Routers, Cisco 4000 Series Integrated Services Routers, Cisco Integrated Services Virtual Router, Cisco Cloud Services Router 1000V Series, Cisco Catalyst IR1100 Rugged Series Routers, … · updated 2023-03-22 · [advisory](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xe-sdwan-VQAhEjYw)\n\n**Cisco IOS XE SD-WAN Software Command Injection Vulnerability**. Released 2023-03-22.\n\nAffected:\n\n- Cisco 1000 Series Integrated Services Routers\n- Cisco ASR 1000 Series Aggregation Services Routers\n- Cisco 4000 Series Integrated Services Routers\n- Cisco Integrated Services Virtual Router\n- Cisco Cloud Services Router 1000V Series\n- Cisco Catalyst IR1100 Rugged Series Routers\n- Cisco IOS XE Software 17.3.1\n- Cisco IOS XE Software 17.4.1\n- Cisco IOS XE Software 17.5.1\n- Cisco IOS XE Software 17.6.1\n- Cisco IOS XE Software 16.12.8\n- Cisco IOS XE Software 17.3.2\n- Cisco IOS XE Software 16.12.4\n- Cisco IOS XE Software 17.2.1r\n- Cisco IOS XE Software 17.7.1\n- Cisco IOS XE Software 17.2.1v\n- Cisco IOS XE Software 17.3.3\n- Cisco IOS XE Software 17.4.2\n- Cisco IOS XE Software 17.8.1\n- Cisco IOS XE Software 17.2.2\n- Cisco IOS XE Software 16.12.4a\n- Cisco IOS XE Software 17.3.1a\n- Cisco IOS XE Software 17.3.1w\n- Cisco IOS XE Software 16.12.5\n- Cisco IOS XE Software 17.3.2a\n- Cisco IOS XE Software 17.4.1a\n- Cisco IOS XE Software 17.3.1x\n- Cisco IOS XE Software 17.4.1b\n- Cisco IOS XE Software 16.12.6\n- Cisco IOS XE Software 17.2.3\n- Cisco IOS XE Software 17.3.1z\n- Cisco IOS XE Software 16.12.5a\n- Cisco IOS XE Software 16.12.5b\n- Cisco IOS XE Software 17.3.3a\n- Cisco IOS XE Software 17.3.4\n- Cisco IOS XE Software 17.5.1a\n- Cisco IOS XE Software 17.3.5\n- Cisco IOS XE Software 17.4.1c\n- Cisco IOS XE Software 17.6.2\n- Cisco IOS XE Software 17.6.1w\n\n## Remediation\n\nCisco has released software updates that address this vulnerability. https://software.cisco.com","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}