{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-20240","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","state":"PUBLISHED","assignerShortName":"cisco","dateReserved":"2024-10-10T19:15:13.238Z","datePublished":"2025-09-24T17:14:34.470Z","dateUpdated":"2025-09-26T17:12:35.657Z"},"containers":{"cna":{"providerMetadata":{"orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco","dateUpdated":"2025-09-26T17:12:35.657Z"},"descriptions":[{"lang":"en","value":"A vulnerability in the Web Authentication feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct a reflected cross-site scripting attack (XSS) on an affected device.\r\n\r This vulnerability is due to improper sanitization of user-supplied input. An attacker could exploit this vulnerability by persuading a user to click a malicious link. A successful exploit could allow the attacker to execute a reflected XSS attack and steal user cookies from the affected device."}],"affected":[{"vendor":"Cisco","product":"Cisco IOS XE Software","versions":[{"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":"16.12.13","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":"affected"},{"version":"17.3.5a","status":"affected"},{"version":"17.3.5b","status":"affected"},{"version":"17.3.7","status":"affected"},{"version":"17.3.8","status":"affected"},{"version":"17.3.8a","status":"affected"},{"version":"17.4.1","status":"affected"},{"version":"17.4.2","status":"affected"},{"version":"17.4.1a","status":"affected"},{"version":"17.4.1b","status":"affected"},{"version":"17.4.2a","status":"affected"},{"version":"17.5.1","status":"affected"},{"version":"17.5.1a","status":"affected"},{"version":"17.6.1","status":"affected"},{"version":"17.6.2","status":"affected"},{"version":"17.6.1w","status":"affected"},{"version":"17.6.1a","status":"affected"},{"version":"17.6.1x","status":"affected"},{"version":"17.6.3","status":"affected"},{"version":"17.6.1y","status":"affected"},{"version":"17.6.1z","status":"affected"},{"version":"17.6.3a","status":"affected"},{"version":"17.6.4","status":"affected"},{"version":"17.6.1z1","status":"affected"},{"version":"17.6.5","status":"affected"},{"version":"17.6.6","status":"affected"},{"version":"17.6.6a","status":"affected"},{"version":"17.6.5a","status":"affected"},{"version":"17.6.7","status":"affected"},{"version":"17.6.8","status":"affected"},{"version":"17.6.8a","status":"affected"},{"version":"17.7.1","status":"affected"},{"version":"17.7.1a","status":"affected"},{"version":"17.7.1b","status":"affected"},{"version":"17.7.2","status":"affected"},{"version":"17.10.1","status":"affected"},{"version":"17.10.1a","status":"affected"},{"version":"17.10.1b","status":"affected"},{"version":"17.8.1","status":"affected"},{"version":"17.8.1a","status":"affected"},{"version":"17.9.1","status":"affected"},{"version":"17.9.1w","status":"affected"},{"version":"17.9.2","status":"affected"},{"version":"17.9.1a","status":"affected"},{"version":"17.9.1x","status":"affected"},{"version":"17.9.1y","status":"affected"},{"version":"17.9.3","status":"affected"},{"version":"17.9.2a","status":"affected"},{"version":"17.9.1x1","status":"affected"},{"version":"17.9.3a","status":"affected"},{"version":"17.9.4","status":"affected"},{"version":"17.9.1y1","status":"affected"},{"version":"17.9.5","status":"affected"},{"version":"17.9.4a","status":"affected"},{"version":"17.9.5a","status":"affected"},{"version":"17.9.5b","status":"affected"},{"version":"17.9.6","status":"affected"},{"version":"17.9.6a","status":"affected"},{"version":"17.9.7","status":"affected"},{"version":"17.9.5e","status":"affected"},{"version":"17.9.5f","status":"affected"},{"version":"17.9.7a","status":"affected"},{"version":"17.9.7b","status":"affected"},{"version":"17.11.1","status":"affected"},{"version":"17.11.1a","status":"affected"},{"version":"17.12.1","status":"affected"},{"version":"17.12.1w","status":"affected"},{"version":"17.12.1a","status":"affected"},{"version":"17.12.1x","status":"affected"},{"version":"17.12.2","status":"affected"},{"version":"17.12.3","status":"affected"},{"version":"17.12.2a","status":"affected"},{"version":"17.12.1y","status":"affected"},{"version":"17.12.1z","status":"affected"},{"version":"17.12.4","status":"affected"},{"version":"17.12.3a","status":"affected"},{"version":"17.12.1z1","status":"affected"},{"version":"17.12.1z2","status":"affected"},{"version":"17.12.4a","status":"affected"},{"version":"17.12.5","status":"affected"},{"version":"17.12.4b","status":"affected"},{"version":"17.12.1z3","status":"affected"},{"version":"17.12.5a","status":"affected"},{"version":"17.12.1z4","status":"affected"},{"version":"17.12.5b","status":"affected"},{"version":"17.12.5c","status":"affected"},{"version":"17.13.1","status":"affected"},{"version":"17.13.1a","status":"affected"},{"version":"17.14.1","status":"affected"},{"version":"17.14.1a","status":"affected"},{"version":"17.15.1","status":"affected"},{"version":"17.15.1w","status":"affected"},{"version":"17.15.1a","status":"affected"},{"version":"17.15.2","status":"affected"},{"version":"17.15.1b","status":"affected"},{"version":"17.15.1x","status":"affected"},{"version":"17.15.3","status":"affected"},{"version":"17.15.2c","status":"affected"},{"version":"17.15.2a","status":"affected"},{"version":"17.15.1y","status":"affected"},{"version":"17.15.2b","status":"affected"},{"version":"17.15.3a","status":"affected"},{"version":"17.15.3b","status":"affected"},{"version":"17.16.1","status":"affected"},{"version":"17.16.1a","status":"affected"}]}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Incomplete Blacklist to Cross-Site Scripting","type":"cwe","cweId":"CWE-692"}]}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webui-xss-VWyDgjOU","name":"cisco-sa-webui-xss-VWyDgjOU"}],"metrics":[{"format":"cvssV3_1","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","baseScore":6.1,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"}}],"exploits":[{"lang":"en","value":"The Cisco Product Security Incident Response Team (PSIRT) is aware that proof-of-concept exploit code is available for the vulnerability described in this advisory.\r\n\r\nThe Cisco PSIRT is not aware of any malicious use of the vulnerability that is described in this advisory."}],"source":{"advisory":"cisco-sa-webui-xss-VWyDgjOU","discovery":"EXTERNAL","defects":["CSCwm57073"]}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-09-24T17:31:05.188656Z","id":"CVE-2025-20240","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":"2025-09-24T17:31:12.331Z"}}]}}