{ "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-2023-20254", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-20254", "idYear": 2023, "status": "PUBLISHED", "publishedAt": "2023-09-27T17:11:23.280Z", "updatedAt": "2025-12-16T18:23:21.286Z", "importedAt": "2026-10-24T01:56:49.724Z", "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": null, "summary": "A vulnerability in the session management system of the Cisco Catalyst SD-WAN Manager multi-tenant feature could allow an authenticated, remote attacker to access another tenant that is being managed by the same Cisco Catalyst SD-WAN Manager instance. This vulnerability requires the multi-tenant feature to be enabled.\r\n\r This vulnerability is due to insufficient user session management within the Cisco Catalyst SD-WAN Manager system. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to gain unauthorized access to information about another tenant, make configuration changes, or possibly take a tenant offline causing a denial of service condition.", "affected": [ { "vendor": "Cisco", "product": "Cisco SD-WAN vManage", "versions": [ { "version": "17.2.6", "status": "affected" }, { "version": "17.2.7", "status": "affected" }, { "version": "17.2.8", "status": "affected" }, { "version": "17.2.9", "status": "affected" }, { "version": "17.2.10", "status": "affected" }, { "version": "17.2.4", "status": "affected" }, { "version": "17.2.5", "status": "affected" }, { "version": "18.3.1.1", "status": "affected" }, { "version": "18.3.3.1", "status": "affected" }, { "version": "18.3.3", "status": "affected" }, { "version": "18.3.4", "status": "affected" }, { "version": "18.3.5", "status": "affected" }, { "version": "18.3.7", "status": "affected" }, { "version": "18.3.8", "status": "affected" }, { "version": "18.3.6.1", "status": "affected" }, { "version": "18.3.1", "status": "affected" }, { "version": "18.3.0", "status": "affected" }, { "version": "18.4.0.1", "status": "affected" }, { "version": "18.4.3", "status": "affected" }, { "version": "18.4.302", "status": "affected" }, { "version": "18.4.303", "status": "affected" }, { "version": "18.4.4", "status": "affected" }, { "version": "18.4.5", "status": "affected" }, { "version": "18.4.0", "status": "affected" }, { "version": "18.4.1", "status": "affected" }, { "version": "18.4.6", "status": "affected" }, { "version": "19.2.0", "status": "affected" }, { "version": "19.2.097", "status": "affected" }, { "version": "19.2.099", "status": "affected" }, { "version": "19.2.1", "status": "affected" }, { "version": "19.2.2", "status": "affected" }, { "version": "19.2.3", "status": "affected" }, { "version": "19.2.31", "status": "affected" }, { "version": "19.2.929", "status": "affected" }, { "version": "19.2.4", "status": "affected" }, { "version": "20.1.1.1", "status": "affected" }, { "version": "20.1.12", "status": "affected" }, { "version": "20.1.1", "status": "affected" }, { "version": "20.1.2", "status": "affected" }, { "version": "20.1.3", "status": "affected" }, { "version": "19.3.0", "status": "affected" }, { "version": "19.1.0", "status": "affected" }, { "version": "18.2.0", "status": "affected" }, { "version": "20.3.1", "status": "affected" }, { "version": "20.3.2", "status": "affected" }, { "version": "20.3.2.1", "status": "affected" }, { "version": "20.3.3", "status": "affected" }, { "version": "20.3.3.1", "status": "affected" }, { "version": "20.3.4", "status": "affected" }, { "version": "20.3.4.1", "status": "affected" }, { "version": "20.3.4.2", "status": "affected" }, { "version": "20.3.5", "status": "affected" }, { "version": "20.3.6", "status": "affected" }, { "version": "20.3.7", "status": "affected" }, { "version": "20.3.7.1", "status": "affected" }, { "version": "20.3.4.3", "status": "affected" }, { "version": "20.3.5.1", "status": "affected" }, { "version": "20.3.7.2", "status": "affected" }, { "version": "20.4.1", "status": "affected" }, { "version": "20.4.1.1", "status": "affected" }, { "version": "20.4.1.2", "status": "affected" }, { "version": "20.4.2", "status": "affected" }, { "version": "20.4.2.2", "status": "affected" }, { "version": "20.4.2.1", "status": "affected" }, { "version": "20.4.2.3", "status": "affected" }, { "version": "20.5.1", "status": "affected" }, { "version": "20.5.1.2", "status": "affected" }, { "version": "20.5.1.1", "status": "affected" }, { "version": "20.6.1", "status": "affected" }, { "version": "20.6.1.1", "status": "affected" }, { "version": "20.6.2.1", "status": "affected" }, { "version": "20.6.2.2", "status": "affected" }, { "version": "20.6.2", "status": "affected" }, { "version": "20.6.3", "status": "affected" }, { "version": "20.6.3.1", "status": "affected" }, { "version": "20.6.1.2", "status": "affected" }, { "version": "20.6.3.2", "status": "affected" }, { "version": "20.6.3.3", "status": "affected" }, { "version": "20.6.3.0.45", "status": "affected" }, { "version": "20.6.3.0.46", "status": "affected" }, { "version": "20.6.3.0.47", "status": "affected" }, { "version": "20.7.1", "status": "affected" }, { "version": "20.7.1.1", "status": "affected" }, { "version": "20.7.2", "status": "affected" }, { "version": "20.8.1", "status": "affected" }, { "version": "20.9.1", "status": "affected" }, { "version": "20.9.2", "status": "affected" }, { "version": "20.9.2.1", "status": "affected" }, { "version": "20.9.3", "status": "affected" }, { "version": "20.9.3.1", "status": "affected" }, { "version": "20.9.2.3", "status": "affected" }, { "version": "20.9.3.0.12", "status": "affected" }, { "version": "20.9.3.0.16", "status": "affected" }, { "version": "20.9.3.0.17", "status": "affected" }, { "version": "20.9.3.0.18", "status": "affected" }, { "version": "20.9.3.0.20", "status": "affected" }, { "version": "20.9.3.0.21", "status": "affected" }, { "version": "20.9.3.0.23", "status": "affected" }, { "version": "20.10.1", "status": "affected" }, { "version": "20.10.1.1", "status": "affected" } ] } ] } } }