{"cve":"CVE-2010-4563","nvd":{"published":"2012-02-02T17:55:00.847","modified":"2026-06-16T23:25:04.340","status":"Modified","description":"The Linux kernel, when using IPv6, allows remote attackers to determine whether a host is sniffing the network by sending an ICMPv6 Echo Request to a multicast address and determining whether an Echo Reply is sent, as demonstrated by thcping.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-200"],"references":["http://seclists.org/dailydave/2011/q2/25","http://seclists.org/fulldisclosure/2011/Apr/254","http://seclists.org/dailydave/2011/q2/25","http://seclists.org/fulldisclosure/2011/Apr/254"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T19:59:31.623151214+00:00"},"epss":{"cve":"CVE-2010-4563","score":0.02892,"percentile":0.86908,"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."]}