{"cve":"CVE-2013-7463","nvd":{"published":"2017-04-19T17:59:00.143","modified":"2026-06-17T00:02:00.667","status":"Modified","description":"The aescrypt gem 1.0.0 for Ruby does not randomize the CBC IV for use with the AESCrypt.encrypt and AESCrypt.decrypt functions, which allows attackers to defeat cryptographic protection mechanisms via a chosen plaintext attack.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-330"],"references":["http://www.securityfocus.com/bid/98035","https://github.com/Gurpartap/aescrypt/issues/4","http://www.securityfocus.com/bid/98035","https://github.com/Gurpartap/aescrypt/issues/4"],"products":["aescrypt_project:aescrypt"],"source":"nvd","synced_at":"2026-10-19T20:42:09.859288039+00:00"},"epss":{"cve":"CVE-2013-7463","score":0.01148,"percentile":0.66805,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-4c4w-3q45-hp9j","url":"https://osv.dev/vulnerability/GHSA-4c4w-3q45-hp9j","summary":"Aescrypt does not sufficiently use random values","modified":"2024-02-16T08:20:16.303645Z","packages":[{"ecosystem":"RubyGems","name":"aescrypt","purl":"pkg:gem/aescrypt","ranges":["<=1.0.0"],"fixed":[]}]}],"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."]}