CVE-2021-41246

MEDIUM

Express OpenID Connect <2.5.1 - Session Fixation

Title source: llm
STIX 2.1

Description

Express OpenID Connect is express JS middleware implementing sign on for Express web apps using OpenID Connect. Versions before and including `2.5.1` do not regenerate the session id and session cookie when user logs in. This behavior opens up the application to various session fixation vulnerabilities. Versions `2.5.2` contains a patch for this issue.

Scores

CVSS v3 4.6
EPSS 0.0038
EPSS Percentile 59.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Details

CWE
CWE-384
Status published
Products (2)
auth0/express_openid_connect 2.3.0 - 2.5.2
npm/express-openid-connect 2.3.0 - 2.5.2npm
Published Dec 09, 2021
Tracked Since Feb 18, 2026