{"cve":"CVE-2021-3678","nvd":{"published":"2021-08-04T14:15:08.577","modified":"2026-06-17T04:05:33.230","status":"Modified","description":"showdoc is vulnerable to Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","score":5.9},"cwes":["CWE-338"],"references":["https://github.com/star7th/showdoc/commit/4b962c1740311e0d46775023b6acba39ad60e370","https://huntr.dev/bounties/f9a9defd-29ea-4442-b692-ff1512813de4","https://github.com/star7th/showdoc/commit/4b962c1740311e0d46775023b6acba39ad60e370","https://huntr.dev/bounties/f9a9defd-29ea-4442-b692-ff1512813de4"],"products":["showdoc:showdoc"],"source":"nvd","synced_at":"2026-10-19T21:21:13.713336758+00:00"},"epss":{"cve":"CVE-2021-3678","score":0.01064,"percentile":0.64675,"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."]}