{"cve":"CVE-2001-1436","nvd":{"published":"2001-01-18T05:00:00.000","modified":"2026-06-16T21:56:16.347","status":"Modified","description":"Dallas Semiconductor iButton DS1991 returns predictable values when given an incorrect password, which makes it easier for users with physical access to conduct dictionary attacks against the device password.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://www.atstake.com/research/advisories/2001/a011801-1.txt","http://www.kb.cert.org/vuls/id/178560","https://exchange.xforce.ibmcloud.com/vulnerabilities/10625","http://www.atstake.com/research/advisories/2001/a011801-1.txt","http://www.kb.cert.org/vuls/id/178560"],"products":["dallas_semiconductor:ibutton"],"source":"nvd","synced_at":"2026-10-19T19:33:02.361923049+00:00"},"epss":{"cve":"CVE-2001-1436","score":0.00471,"percentile":0.40739,"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."]}