{"api_version":"1","generated_at":"2026-07-23T13:45:56+00:00","cve":"CVE-2026-20108","urls":{"html":"https://cve.report/CVE-2026-20108","api":"https://cve.report/api/cve/CVE-2026-20108.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-20108","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-20108"},"summary":{"title":"CVE-2026-20108","description":"A vulnerability in the web-based management interface of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface of an affected device.\r\n\r This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user of the web-based management interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.","state":"PUBLISHED","assigner":"cisco","published_at":"2026-03-25 16:16:14","updated_at":"2026-06-29 18:10:12"},"problem_types":["CWE-79","CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"],"metrics":[{"version":"3.1","source":"psirt@cisco.com","type":"Secondary","score":"5.4","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","baseScore":5.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"CVSSV3_1","score":"5.4","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","version":"3.1"}}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanage-xss-ZqkhP9W9","name":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanage-xss-ZqkhP9W9","refsource":"psirt@cisco.com","tags":["Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-20108","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20108","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.12.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.12.1_LI_Images","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.12.2","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.12.3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.12.3.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.12.4","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.12.4.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.12.5","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.12.5.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.12.5.2","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.12.6","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.12.6.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.12.5.3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.13.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.14.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.15.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.15.2","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.15.3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.15.3.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.15.4","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.15.4.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.15.4.2","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.16.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Catalyst SD-WAN Manager","version":"affected 20.18.1","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[{"source":"CNA","title":"","value":"The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.","time":"","lang":"en"}],"credits":[],"nvd_cpes":[{"cve_year":"2026","cve_id":"20108","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"catalyst_sd-wan_manager","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-20108","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-03-27T15:00:20.527145Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-03-27T15:00:28.039Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"Cisco Catalyst SD-WAN Manager","vendor":"Cisco","versions":[{"status":"affected","version":"20.12.1"},{"status":"affected","version":"20.12.1_LI_Images"},{"status":"affected","version":"20.12.2"},{"status":"affected","version":"20.12.3"},{"status":"affected","version":"20.12.3.1"},{"status":"affected","version":"20.12.4"},{"status":"affected","version":"20.12.4.1"},{"status":"affected","version":"20.12.5"},{"status":"affected","version":"20.12.5.1"},{"status":"affected","version":"20.12.5.2"},{"status":"affected","version":"20.12.6"},{"status":"affected","version":"20.12.6.1"},{"status":"affected","version":"20.12.5.3"},{"status":"affected","version":"20.13.1"},{"status":"affected","version":"20.14.1"},{"status":"affected","version":"20.15.1"},{"status":"affected","version":"20.15.2"},{"status":"affected","version":"20.15.3"},{"status":"affected","version":"20.15.3.1"},{"status":"affected","version":"20.15.4"},{"status":"affected","version":"20.15.4.1"},{"status":"affected","version":"20.15.4.2"},{"status":"affected","version":"20.16.1"},{"status":"affected","version":"20.18.1"}]}],"descriptions":[{"lang":"en","value":"A vulnerability in the web-based management interface of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface of an affected device.\r\n\r This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user of the web-based management interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information."}],"exploits":[{"lang":"en","value":"The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"format":"cvssV3_1"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"cwe"}]}],"providerMetadata":{"dateUpdated":"2026-03-25T16:09:06.788Z","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco"},"references":[{"name":"cisco-sa-vmanage-xss-ZqkhP9W9","url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanage-xss-ZqkhP9W9"}],"source":{"advisory":"cisco-sa-vmanage-xss-ZqkhP9W9","defects":["CSCwq92731"],"discovery":"INTERNAL"}}},"cveMetadata":{"assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","assignerShortName":"cisco","cveId":"CVE-2026-20108","datePublished":"2026-03-25T16:09:06.788Z","dateReserved":"2025-10-08T11:59:15.372Z","dateUpdated":"2026-03-27T15:00:28.039Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-03-25 16:16:14","lastModifiedDate":"2026-06-29 18:10:12","problem_types":["CWE-79","CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"],"metrics":{"cvssMetricV31":[{"source":"psirt@cisco.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","baseScore":5.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.3,"impactScore":2.7}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-03-27T15:00:20.527145Z","id":"CVE-2026-20108","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*","versionStartIncluding":"20.12","versionEndExcluding":"20.12.5.3","matchCriteriaId":"B011A1EA-A501-4CC0-AFC9-2181ACC81AFE"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*","versionStartIncluding":"20.13","versionEndExcluding":"20.15.4.2","matchCriteriaId":"D284EA84-6C27-4A9C-BDA2-D1C5BF1F2356"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*","versionStartIncluding":"20.16","versionEndExcluding":"20.18.2.1","matchCriteriaId":"B94E1DC2-5DA5-4238-8040-6D524DDEAA4F"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.12.6:*:*:*:*:*:*:*","matchCriteriaId":"F5B6E170-73B8-4838-93B4-AD258F3BCA7C"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"20108","Ordinal":"1","Title":"CVE-2026-20108","CVE":"CVE-2026-20108","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"20108","Ordinal":"1","NoteData":"A vulnerability in the web-based management interface of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface of an affected device.\r\n\r This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user of the web-based management interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.","Type":"Description","Title":"CVE-2026-20108"}]}}}