CVE-2020-5205

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.

• CWE-384
• CWE-384

• https://github.com/danschultzer/pow/blob/master/CHANGELOG.md#v1016-2020-01-07Third Party Advisory
• https://github.com/danschultzer/pow/commit/578ffd3d8bb8e8a26077b644222186b108da474fPatch, Third Party Advisory
• https://github.com/danschultzer/pow/security/advisories/GHSA-v2wf-c3j6-wpvwThird Party Advisory
• https://github.com/danschultzer/pow/blob/master/CHANGELOG.md#v1016-2020-01-07Third Party Advisory
• https://github.com/danschultzer/pow/commit/578ffd3d8bb8e8a26077b644222186b108da474fPatch, Third Party Advisory
• https://github.com/danschultzer/pow/security/advisories/GHSA-v2wf-c3j6-wpvwThird Party Advisory

Published

Jan 9, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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