{"cve":"CVE-2012-1366","nvd":{"published":"2014-04-23T11:52:59.010","modified":"2026-06-16T23:39:25.217","status":"Modified","description":"Cisco IOS before 15.1(1)SY on ASR 1000 devices, when Multicast Listener Discovery (MLD) tracking is enabled for IPv6, allows remote attackers to cause a denial of service (device reload) via crafted MLD packets, aka Bug ID CSCtz28544.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/15-1SY/release_notes.pdf","http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/15-1SY/release_notes.pdf"],"products":["cisco:asr_1001","cisco:asr_1002","cisco:asr_1002-x","cisco:asr_1002_fixed_router","cisco:asr_1004","cisco:asr_1006","cisco:asr_1013","cisco:asr_1023_router","cisco:asr_9000_rsp440_router","cisco:ios"],"source":"nvd","synced_at":"2026-10-19T20:32:06.812358378+00:00"},"epss":{"cve":"CVE-2012-1366","score":0.00718,"percentile":0.53875,"date":"2026-11-01"},"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."]}