{"cve":"CVE-2020-5205","nvd":{"published":"2020-01-09T02:15:13.340","modified":"2026-06-17T03:21:01.277","status":"Modified","description":"In Pow (Hex package) before 1.0.16, the use of Plug.Session in Pow.Plug.Session is susceptible to session fixation attacks if a persistent session store is used for Plug.Session, such as Redis or a database. Cookie store, which is used in most Phoenix apps, doesn't have this vulnerability.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","score":5.4},"cwes":["CWE-384"],"references":["https://github.com/danschultzer/pow/blob/master/CHANGELOG.md#v1016-2020-01-07","https://github.com/danschultzer/pow/commit/578ffd3d8bb8e8a26077b644222186b108da474f","https://github.com/danschultzer/pow/security/advisories/GHSA-v2wf-c3j6-wpvw","https://github.com/danschultzer/pow/blob/master/CHANGELOG.md#v1016-2020-01-07","https://github.com/danschultzer/pow/commit/578ffd3d8bb8e8a26077b644222186b108da474f"],"products":["powauth:pow"],"source":"nvd","synced_at":"2026-10-19T21:01:01.339895972+00:00"},"epss":{"cve":"CVE-2020-5205","score":0.0077,"percentile":0.55659,"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."]}