{"cve":"CVE-2013-4165","nvd":{"published":"2013-08-02T12:10:40.487","modified":"2026-06-16T23:56:44.507","status":"Modified","description":"The HTTPAuthorized function in bitcoinrpc.cpp in bitcoind 0.8.1 provides information about authentication failure upon detecting the first incorrect byte of a password, which makes it easier for remote attackers to determine passwords via a timing side-channel attack.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-200"],"references":["http://openwall.com/lists/oss-security/2013/07/25/5","https://github.com/bitcoin/bitcoin/issues/2838","https://github.com/bitcoin/bitcoin/pull/2845","http://openwall.com/lists/oss-security/2013/07/25/5","https://github.com/bitcoin/bitcoin/issues/2838"],"products":["bitcoin:bitcoin_core"],"source":"nvd","synced_at":"2026-10-19T20:29:16.037019470+00:00"},"epss":{"cve":"CVE-2013-4165","score":0.02278,"percentile":0.83118,"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."]}