{"id":"CVE-2023-20056","title":"Cisco Access Point Software Denial of Service","summary":"A vulnerability in the management CLI of Cisco access point (AP) software could allow an authenticated, local attacker to cause a denial of service (DoS) condition on an affected device.\r\n\r\nThis vulnerability is due to insufficient input v…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","cvssSource":"vendor","vendor":"Cisco","product":"Cisco Aironet Access Point Software (IOS XE Controller)","affected":["aironet_access_point_software_ios_xe_controller","aironet_access_point_software"],"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-ap-cli-dos-tc2EKEpu","references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-cli-dos-tc2EKEpu"},{"url":"https://software.cisco.com"}],"tags":["csaf","vendor-advisory","cisco"],"epss":0.00257,"epssPercentile":0.17697,"ingestedAt":"2026-09-08T15:58:18.543Z","slug":"CVE-2023-20056","body":"## Overview\n\nA vulnerability in the management CLI of Cisco access point (AP) software could allow an authenticated, local attacker to cause a denial of service (DoS) condition on an affected device.\r\n\r\nThis vulnerability is due to insufficient input validation of commands supplied by the user. An attacker could exploit this vulnerability by authenticating to a device and submitting crafted input to the affected command. A successful exploit could allow the attacker to cause an affected device to reload spontaneously, resulting in a DoS condition.\r\n\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.\n\n## Vendor advisories\n\n- **cisco-sa-ap-cli-dos-tc2EKEpu** · Cisco · affected: Cisco Aironet Access Point Software (IOS XE Controller), Cisco Aironet Access Point Software · updated 2023-03-22 · [advisory](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-cli-dos-tc2EKEpu)\n\n**Cisco Access Point Software Denial of Service Vulnerability**. Released 2023-03-22.\n\nAffected:\n\n- Cisco Aironet Access Point Software (IOS XE Controller)\n- Cisco Aironet Access Point Software\n\n## Remediation\n\nCisco has released software updates that address this vulnerability. https://software.cisco.com","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}