{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-20140","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","state":"PUBLISHED","assignerShortName":"cisco","dateReserved":"2024-10-10T19:15:13.214Z","datePublished":"2025-05-07T17:36:49.207Z","dateUpdated":"2025-05-07T17:51:42.769Z"},"containers":{"cna":{"providerMetadata":{"orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco","dateUpdated":"2025-05-07T17:36:49.207Z"},"descriptions":[{"lang":"en","value":"A vulnerability in the Wireless Network Control daemon (wncd) of Cisco IOS XE Software for Wireless LAN Controllers (WLCs) could allow an unauthenticated, adjacent wireless attacker to cause a denial of service (DoS) condition.\r\n\r This vulnerability is due to improper memory management. An attacker could exploit this vulnerability by sending a series of IPv6 network requests from an associated wireless IPv6 client to an affected device. To associate a client to a device, an attacker may first need to authenticate to the network, or associate freely in the case of a configured open network. A successful exploit could allow the attacker to cause the wncd process to consume available memory and eventually cause the device to stop responding, resulting in a DoS condition."}],"affected":[{"vendor":"Cisco","product":"Cisco IOS XE Software","versions":[{"version":"16.4.1","status":"affected"},{"version":"16.4.2","status":"affected"},{"version":"16.4.3","status":"affected"},{"version":"16.5.1","status":"affected"},{"version":"16.5.1a","status":"affected"},{"version":"16.5.1b","status":"affected"},{"version":"16.5.2","status":"affected"},{"version":"16.5.3","status":"affected"},{"version":"16.6.1","status":"affected"},{"version":"16.6.2","status":"affected"},{"version":"16.6.3","status":"affected"},{"version":"16.6.4","status":"affected"},{"version":"16.6.5","status":"affected"},{"version":"16.6.4a","status":"affected"},{"version":"16.6.5a","status":"affected"},{"version":"16.6.6","status":"affected"},{"version":"16.6.7","status":"affected"},{"version":"16.6.8","status":"affected"},{"version":"16.6.9","status":"affected"},{"version":"16.6.10","status":"affected"},{"version":"16.7.1","status":"affected"},{"version":"16.7.1a","status":"affected"},{"version":"16.7.1b","status":"affected"},{"version":"16.7.2","status":"affected"},{"version":"16.7.3","status":"affected"},{"version":"16.7.4","status":"affected"},{"version":"16.8.1","status":"affected"},{"version":"16.8.1a","status":"affected"},{"version":"16.8.1b","status":"affected"},{"version":"16.8.1s","status":"affected"},{"version":"16.8.1c","status":"affected"},{"version":"16.8.1d","status":"affected"},{"version":"16.8.2","status":"affected"},{"version":"16.8.1e","status":"affected"},{"version":"16.8.3","status":"affected"},{"version":"16.9.1","status":"affected"},{"version":"16.9.2","status":"affected"},{"version":"16.9.1a","status":"affected"},{"version":"16.9.1b","status":"affected"},{"version":"16.9.1s","status":"affected"},{"version":"16.9.3","status":"affected"},{"version":"16.9.4","status":"affected"},{"version":"16.9.3a","status":"affected"},{"version":"16.9.5","status":"affected"},{"version":"16.9.5f","status":"affected"},{"version":"16.9.6","status":"affected"},{"version":"16.9.7","status":"affected"},{"version":"16.9.8","status":"affected"},{"version":"16.10.1","status":"affected"},{"version":"16.10.1a","status":"affected"},{"version":"16.10.1b","status":"affected"},{"version":"16.10.1s","status":"affected"},{"version":"16.10.1c","status":"affected"},{"version":"16.10.1e","status":"affected"},{"version":"16.10.1d","status":"affected"},{"version":"16.10.2","status":"affected"},{"version":"16.10.1f","status":"affected"},{"version":"16.10.1g","status":"affected"},{"version":"16.10.3","status":"affected"},{"version":"16.11.1","status":"affected"},{"version":"16.11.1a","status":"affected"},{"version":"16.11.1b","status":"affected"},{"version":"16.11.2","status":"affected"},{"version":"16.11.1s","status":"affected"},{"version":"16.12.1","status":"affected"},{"version":"16.12.1s","status":"affected"},{"version":"16.12.1a","status":"affected"},{"version":"16.12.1c","status":"affected"},{"version":"16.12.1w","status":"affected"},{"version":"16.12.2","status":"affected"},{"version":"16.12.1y","status":"affected"},{"version":"16.12.2a","status":"affected"},{"version":"16.12.3","status":"affected"},{"version":"16.12.8","status":"affected"},{"version":"16.12.2s","status":"affected"},{"version":"16.12.1x","status":"affected"},{"version":"16.12.1t","status":"affected"},{"version":"16.12.4","status":"affected"},{"version":"16.12.3s","status":"affected"},{"version":"16.12.3a","status":"affected"},{"version":"16.12.4a","status":"affected"},{"version":"16.12.5","status":"affected"},{"version":"16.12.6","status":"affected"},{"version":"16.12.1z1","status":"affected"},{"version":"16.12.5a","status":"affected"},{"version":"16.12.5b","status":"affected"},{"version":"16.12.1z2","status":"affected"},{"version":"16.12.6a","status":"affected"},{"version":"16.12.7","status":"affected"},{"version":"16.12.9","status":"affected"},{"version":"16.12.10","status":"affected"},{"version":"16.12.10a","status":"affected"},{"version":"16.12.11","status":"affected"},{"version":"16.12.12","status":"affected"},{"version":"17.1.1","status":"affected"},{"version":"17.1.1a","status":"affected"},{"version":"17.1.1s","status":"affected"},{"version":"17.1.1t","status":"affected"},{"version":"17.1.3","status":"affected"},{"version":"17.2.1","status":"affected"},{"version":"17.2.1r","status":"affected"},{"version":"17.2.1a","status":"affected"},{"version":"17.2.1v","status":"affected"},{"version":"17.2.2","status":"affected"},{"version":"17.2.3","status":"affected"},{"version":"17.3.1","status":"affected"},{"version":"17.3.2","status":"affected"},{"version":"17.3.3","status":"affected"},{"version":"17.3.1a","status":"affected"},{"version":"17.3.1w","status":"affected"},{"version":"17.3.2a","status":"affected"},{"version":"17.3.1x","status":"affected"},{"version":"17.3.1z","status":"affected"},{"version":"17.3.4","status":"affected"},{"version":"17.3.5","status":"affected"},{"version":"17.3.4a","status":"affected"},{"version":"17.3.6","status":"affected"},{"version":"17.3.4b","status":"affected"},{"version":"17.3.4c","status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Memory Allocation","type":"cwe","cweId":"CWE-789"}]}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wlc-wncd-p6Gvt6HL","name":"cisco-sa-wlc-wncd-p6Gvt6HL"}],"metrics":[{"format":"cvssV3_1","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","baseScore":7.4,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"exploits":[{"lang":"en","value":"The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}],"source":{"advisory":"cisco-sa-wlc-wncd-p6Gvt6HL","discovery":"EXTERNAL","defects":["CSCwj16556"]}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-07T17:51:06.503225Z","id":"CVE-2025-20140","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-05-07T17:51:42.769Z"}}]}}