{"id":"CVE-2023-20112","aliases":["EUVD-2023-24291","GHSA-4xqr-rhvf-w2gg"],"status":"published","title":"Cisco Access Point Software Association Request Denial of Service Vulnerability","description":"A vulnerability in Cisco access point (AP) software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient validation of certain parameters within 802.11 frames. An attacker could exploit this vulnerability by sending a wireless 802.11 association request frame with crafted parameters to an affected device. A successful exploit could allow the attacker to cause an unexpected reload of an affected device, resulting in a DoS condition.","severity":{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00303,"percentile":0.23214,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125","CWE-126"],"published":"2023-03-23T00:00:00Z","modified":"2026-06-17T05:29:30Z","products":[{"vendor":"cisco","product":"business_150ax_firmware"},{"vendor":"cisco","product":"business_151axm_firmware"},{"vendor":"cisco","product":"catalyst_9105ax_firmware"},{"vendor":"cisco","product":"catalyst_9105axi_firmware"},{"vendor":"cisco","product":"catalyst_9105axw_firmware"},{"vendor":"cisco","product":"catalyst_9105i_firmware"},{"vendor":"cisco","product":"catalyst_9105w_firmware"},{"vendor":"cisco","product":"catalyst_9115_firmware"},{"vendor":"cisco","product":"catalyst_9115ax_firmware"},{"vendor":"cisco","product":"catalyst_9115axe_firmware"},{"vendor":"cisco","product":"catalyst_9115axi_firmware"},{"vendor":"cisco","product":"catalyst_9117_firmware"},{"vendor":"cisco","product":"catalyst_9117ax_firmware"},{"vendor":"cisco","product":"catalyst_9117axi_firmware"},{"vendor":"cisco","product":"catalyst_9120_firmware"},{"vendor":"cisco","product":"catalyst_9120ax_firmware"},{"vendor":"cisco","product":"catalyst_9120axe_firmware"},{"vendor":"cisco","product":"catalyst_9120axi_firmware"},{"vendor":"cisco","product":"catalyst_9120axp_firmware"},{"vendor":"cisco","product":"catalyst_9124_firmware"},{"vendor":"cisco","product":"catalyst_9124ax_firmware"},{"vendor":"cisco","product":"catalyst_9124axd_firmware"},{"vendor":"cisco","product":"catalyst_9124axi_firmware"},{"vendor":"cisco","product":"catalyst_9130_firmware"},{"vendor":"cisco","product":"catalyst_9130ax_firmware"},{"vendor":"cisco","product":"catalyst_9130axe_firmware"},{"vendor":"cisco","product":"catalyst_9130axi_firmware"},{"vendor":"cisco","product":"catalyst_9136_firmware"},{"vendor":"cisco","product":"catalyst_9162_firmware"},{"vendor":"cisco","product":"catalyst_9164_firmware"},{"vendor":"cisco","product":"catalyst_9166_firmware"},{"vendor":"cisco","product":"cisco aironet access point software"}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-assoc-dos-D2SunWK2","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-20112"},{"url":"https://github.com/advisories/GHSA-4xqr-rhvf-w2gg"}],"sources":{"cve":[{"id":"CVE-2023-20112","title":"Cisco Access Point Software Association Request Denial of Service Vulnerability","description":"A vulnerability in Cisco access point (AP) software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient validation of certain parameters within 802.11 frames. An attacker could exploit this vulnerability by sending a wireless 802.11 association request frame with crafted parameters to an affected device. A successful exploit could allow the attacker to cause an unexpected reload of an affected device, resulting in a DoS condition.","status":"published","published":"2023-03-23T00:00:00Z","modified":"2024-10-25T16:02:04.798Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-126"],"updated_at":"2026-11-02T14:35:13.368958Z"}],"euvd":[{"id":"EUVD-2023-24291","description":"A vulnerability in Cisco access point (AP) software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient validation of certain parameters within 802.11 frames. An attacker could exploit this vulnerability by sending a wireless 802.11 association request frame with crafted parameters to an affected device. A successful exploit could allow the attacker to cause an unexpected reload of an affected device, resulting in a DoS condition.","status":"published","published":"2023-03-23T00:00:00Z","modified":"2024-10-25T16:02:04Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T00:05:17.791345Z"}],"ghsa":[{"id":"GHSA-4xqr-rhvf-w2gg","title":"A vulnerability in Cisco access point (AP) software could allow an unauthenticated, adjacent...","description":"A vulnerability in Cisco access point (AP) software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient validation of certain parameters within 802.11 frames. An attacker could exploit this vulnerability by sending a wireless 802.11 association request frame with crafted parameters to an affected device. A successful exploit could allow the attacker to cause an unexpected reload of an affected device, resulting in a DoS condition.","status":"published","published":"2023-03-23T18:30:18Z","modified":"2023-04-11T05:01:23Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:54:28.289847Z"}],"nvd":[{"id":"CVE-2023-20112","description":"A vulnerability in Cisco access point (AP) software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient validation of certain parameters within 802.11 frames. An attacker could exploit this vulnerability by sending a wireless 802.11 association request frame with crafted parameters to an affected device. A successful exploit could allow the attacker to cause an unexpected reload of an affected device, resulting in a DoS condition.","status":"published","published":"2023-03-23T17:15:15.267Z","modified":"2026-06-17T05:29:30.54Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-126","CWE-125"],"updated_at":"2026-11-02T14:07:50.908252Z"}]}}