{"cve":"CVE-2015-2809","nvd":{"published":"2015-04-01T02:00:35.970","modified":"2026-06-17T00:24:47.997","status":"Modified","description":"The Multicast DNS (mDNS) responder in Synology DiskStation Manager (DSM) before 3.1 inadvertently responds to unicast queries with source addresses that are not link-local, which allows remote attackers to cause a denial of service (traffic amplification) or obtain potentially sensitive information via port-5353 UDP packets to the Avahi component.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-200"],"references":["http://www.kb.cert.org/vuls/id/550620","http://www.kb.cert.org/vuls/id/BLUU-9TLSHD","http://www.securityfocus.com/bid/73683","http://www.kb.cert.org/vuls/id/550620","http://www.kb.cert.org/vuls/id/BLUU-9TLSHD"],"products":["synology:diskstation_manager"],"source":"nvd","synced_at":"2026-10-19T20:35:35.528235705+00:00"},"epss":{"cve":"CVE-2015-2809","score":0.03548,"percentile":0.89304,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}