{"cve":"CVE-2013-4577","nvd":{"published":"2014-05-12T14:55:05.023","modified":"2026-06-16T23:57:29.110","status":"Modified","description":"A certain Debian patch for GNU GRUB uses world-readable permissions for grub.cfg, which allows local users to obtain password hashes, as demonstrated by reading the password_pbkdf2 directive in the file.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://seclists.org/oss-sec/2013/q4/291","http://seclists.org/oss-sec/2013/q4/292","http://www.openwall.com/lists/oss-security/2024/01/15/3","https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632598","http://seclists.org/oss-sec/2013/q4/291"],"products":["gnu:grub"],"source":"nvd","synced_at":"2026-10-19T20:33:06.232976534+00:00"},"epss":{"cve":"CVE-2013-4577","score":0.00384,"percentile":0.325,"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."]}