{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2026-20262", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-20262", "idYear": 2026, "status": "PUBLISHED", "publishedAt": "2026-06-15T16:21:09.696Z", "updatedAt": "2026-06-17T03:55:46.594Z", "importedAt": "2026-10-24T01:57:55.771Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "Cisco Catalyst SD-WAN Manager Arbitrary File Write Vulnerability", "summary": "A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authenticated, remote attacker to create a file or overwrite any file on the filesystem of an affected system.\r\n\r\nThis vulnerability exists because the affected software does not properly validate user-supplied input during a file upload process. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected API endpoint of the affected system. A successful exploit could allow the attacker to create or overwrite any file on the underlying operating system. This file could later be used to elevate to root. To exploit this vulnerability, the attacker must have valid credentials with at least a lower-privileged, single-task user account.", "affected": [ { "vendor": "Cisco", "product": "Cisco Catalyst SD-WAN Manager", "defaultStatus": "unknown", "versions": [ { "version": "20.1.12", "status": "affected" }, { "version": "19.2.1", "status": "affected" }, { "version": "18.4.4", "status": "affected" }, { "version": "18.4.5", "status": "affected" }, { "version": "20.1.1.1", "status": "affected" }, { "version": "20.1.1", "status": "affected" }, { "version": "19.3.0", "status": "affected" }, { "version": "19.2.2", "status": "affected" }, { "version": "19.2.099", "status": "affected" }, { "version": "18.3.6", "status": "affected" }, { "version": "18.3.7", "status": "affected" }, { "version": "19.2.0", "status": "affected" }, { "version": "18.3.8", "status": "affected" }, { "version": "19.0.0", "status": "affected" }, { "version": "19.1.0", "status": "affected" }, { "version": "18.4.302", "status": 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"affected" }, { "version": "20.12.6.2", "status": "affected" }, { "version": "20.15.5.2", "status": "affected" }, { "version": "20.15.5.2_LI_Images", "status": "affected" }, { "version": "26.1.1.1_LI_Images", "status": "affected" }, { "version": "20.15.4.4", "status": "affected" }, { "version": "20.15.4.4_LI_Images", "status": "affected" }, { "version": "26.1.1.1", "status": "affected" }, { "version": "20.9.9.1_LI_Images", "status": "affected" }, { "version": "20.9.9.1", "status": "affected" } ] } ] } } }