{"cve":"CVE-2013-2272","nvd":{"published":"2013-03-12T11:28:18.337","modified":"2026-06-16T23:53:03.683","status":"Modified","description":"The penny-flooding protection mechanism in the CTxMemPool::accept method in bitcoind and Bitcoin-Qt before 0.4.9rc1, 0.5.x before 0.5.8rc1, 0.6.0 before 0.6.0.11rc1, 0.6.1 through 0.6.5 before 0.6.5rc1, and 0.7.x before 0.7.3rc1 allows remote attackers to determine associations between wallet addresses and IP addresses via a series of large Bitcoin transactions with insufficient fees.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-200"],"references":["https://bitcointalk.org/?topic=135856","https://en.bitcoin.it/wiki/CVEs","https://bitcointalk.org/?topic=135856","https://en.bitcoin.it/wiki/CVEs"],"products":["bitcoin:bitcoin-qt","bitcoin:bitcoin_core","bitcoin:bitcoind"],"source":"nvd","synced_at":"2026-10-19T20:27:27.940201468+00:00"},"epss":{"cve":"CVE-2013-2272","score":0.01888,"percentile":0.7954,"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."]}