{"cve":"CVE-2021-42583","nvd":{"published":"2021-12-28T19:15:07.970","modified":"2026-06-17T04:09:51.793","status":"Modified","description":"A Broken or Risky Cryptographic Algorithm exists in Max Mazurov Maddy before 0.5.2, which is an unnecessary risk that may result in the exposure of sensitive information.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-327"],"references":["https://github.com/foxcpp/maddy/blob/df40dce1284cd0fd0a9e8e7894029553d653d0a5/internal/auth/shadow/verify.go","https://github.com/foxcpp/maddy/releases/tag/v0.5.2","https://github.com/foxcpp/maddy/blob/df40dce1284cd0fd0a9e8e7894029553d653d0a5/internal/auth/shadow/verify.go","https://github.com/foxcpp/maddy/releases/tag/v0.5.2"],"products":["foxcpp:maddy"],"source":"nvd","synced_at":"2026-10-19T21:26:33.761856376+00:00"},"epss":{"cve":"CVE-2021-42583","score":0.00747,"percentile":0.54873,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-5r5w-h76p-m726","url":"https://osv.dev/vulnerability/GHSA-5r5w-h76p-m726","summary":"Use of a Broken or Risky Cryptographic Algorithm in Max Mazurov Maddy","modified":"2024-08-21T14:57:04.139358Z","packages":[{"ecosystem":"Go","name":"github.com/foxcpp/maddy","purl":"pkg:golang/github.com/foxcpp/maddy","ranges":["<0.5.2"],"fixed":["0.5.2"]}]},{"id":"GO-2022-0306","url":"https://osv.dev/vulnerability/GO-2022-0306","summary":"Use of a Broken or Risky Cryptographic Algorithm in Max Mazurov Maddy in github.com/foxcpp/maddy","modified":"2026-03-03T04:52:07.819035Z","packages":[{"ecosystem":"Go","name":"github.com/foxcpp/maddy","purl":"pkg:golang/github.com/foxcpp/maddy","ranges":["<0.5.2"],"fixed":["0.5.2"]}]}],"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."]}