{ "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-2025-20115", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-20115", "idYear": 2025, "status": "PUBLISHED", "publishedAt": "2025-03-12T16:11:58.731Z", "updatedAt": "2025-03-21T20:35:55.101Z", "importedAt": "2026-10-24T01:57:24.991Z", "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 IOS XR Software Border Gateway Protocol Denial of Service Vulnerability", "summary": "A vulnerability in confederation implementation for the Border Gateway Protocol (BGP) in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.\r\n\r\nThis vulnerability is due to a memory corruption that occurs when a BGP update is created with an AS_CONFED_SEQUENCE attribute that has 255 autonomous system numbers (AS numbers). An attacker could exploit this vulnerability by sending a crafted BGP update message, or the network could be designed in such a manner that the AS_CONFED_SEQUENCE attribute grows to 255 AS numbers or more. A successful exploit could allow the attacker to cause memory corruption, which may cause the BGP process to restart, resulting in a DoS condition. To exploit this vulnerability, an attacker must control a BGP confederation speaker within the same autonomous system as the victim, or the network must be designed in such a manner that the AS_CONFED_SEQUENCE attribute grows to 255 AS numbers or more.", "affected": [ { "vendor": "Cisco", "product": "Cisco IOS XR Software", "defaultStatus": "unknown", "versions": [ { "version": "6.5.3", "status": "affected" }, { "version": "6.5.29", "status": "affected" }, { "version": "6.5.1", "status": "affected" }, { "version": "6.6.1", "status": "affected" }, { "version": "6.5.2", "status": "affected" }, { "version": "6.5.92", "status": "affected" }, { "version": "6.5.15", "status": "affected" }, { "version": "6.6.2", "status": "affected" }, { "version": "7.0.1", "status": "affected" }, { "version": "6.6.25", "status": "affected" }, { "version": "6.5.26", "status": "affected" }, { "version": "6.6.11", "status": "affected" }, { "version": "6.5.25", "status": "affected" }, { "version": "6.5.28", "status": "affected" }, { "version": "6.5.93", "status": "affected" }, { "version": "6.6.12", "status": "affected" }, { "version": "6.5.90", "status": "affected" }, { "version": "7.0.0", "status": "affected" }, { "version": "7.1.1", "status": "affected" }, { "version": "7.0.90", "status": "affected" }, { "version": "6.6.3", "status": "affected" }, { "version": "6.7.1", "status": "affected" }, { "version": "7.0.2", "status": "affected" }, { "version": "7.1.15", "status": "affected" }, { "version": "7.2.0", "status": "affected" }, { "version": "7.2.1", "status": "affected" }, { "version": "7.1.2", "status": "affected" }, { "version": "6.7.2", "status": "affected" }, { "version": "7.0.11", "status": "affected" }, { "version": "7.0.12", "status": "affected" }, { "version": "7.0.14", "status": "affected" }, { "version": "7.1.25", "status": "affected" }, { "version": "6.6.4", "status": "affected" }, { "version": "7.2.12", "status": "affected" }, { "version": "7.3.1", "status": "affected" }, { "version": "7.1.3", "status": "affected" }, { "version": "6.7.3", "status": "affected" }, { "version": "7.4.1", "status": "affected" }, { "version": "7.2.2", "status": "affected" }, { "version": "6.7.4", "status": "affected" }, { "version": "6.5.31", "status": "affected" }, { "version": "7.3.15", "status": "affected" }, { "version": "7.3.16", "status": "affected" }, { "version": "6.8.1", "status": "affected" }, { "version": "7.4.15", "status": "affected" }, { "version": "6.5.32", "status": "affected" }, { "version": "7.3.2", "status": "affected" }, { "version": "7.5.1", "status": "affected" }, { "version": "7.4.16", "status": "affected" }, { "version": "7.3.27", "status": "affected" }, { "version": "7.6.1", "status": "affected" }, { "version": "7.5.2", "status": "affected" }, { "version": "7.8.1", "status": "affected" }, { "version": "7.6.15", "status": "affected" }, { "version": "7.5.12", "status": "affected" }, { "version": "7.8.12", "status": "affected" }, { "version": "7.3.3", "status": "affected" }, { "version": "7.7.1", "status": "affected" }, { "version": "6.8.2", "status": "affected" }, { "version": "7.3.4", "status": "affected" }, { "version": "7.4.2", "status": "affected" }, { "version": "6.7.35", "status": "affected" }, { "version": "6.9.1", "status": "affected" }, { "version": "7.6.2", "status": "affected" }, { "version": "7.5.3", "status": "affected" }, { "version": "7.7.2", "status": "affected" }, { "version": "6.9.2", "status": "affected" }, { "version": "7.9.1", "status": "affected" }, { "version": "7.10.1", "status": "affected" }, { "version": "7.8.2", "status": "affected" }, { "version": "7.5.4", "status": "affected" }, { "version": "6.5.33", "status": "affected" }, { "version": "7.8.22", "status": "affected" }, { "version": "7.7.21", "status": "affected" }, { "version": "7.9.2", "status": "affected" }, { "version": "7.3.5", "status": "affected" }, { "version": "7.5.5", "status": "affected" }, { "version": "7.11.1", "status": "affected" }, { "version": "7.9.21", "status": "affected" }, { "version": "7.10.2", "status": "affected" }, { "version": "24.1.1", "status": "affected" }, { "version": "7.6.3", "status": "affected" }, { "version": "7.3.6", "status": "affected" }, { "version": "7.5.52", "status": "affected" }, { "version": "7.11.2", "status": "affected" }, { "version": "24.2.1", "status": "affected" }, { "version": "24.1.2", "status": "affected" }, { "version": "24.2.11", "status": "affected" }, { "version": "24.2.2", "status": "affected" }, { "version": "7.8.23", "status": "affected" }, { "version": "7.11.21", "status": "affected" }, { "version": "24.2.20", "status": "affected" }, { "version": "6.5.35", "status": "affected" } ] } ] } } }